{
  "api_version": "1.0.4",
  "last_update_date": "2024-11-29 15:25:23 +0000",
  "nicenames": {
    "family": {
      "gmail": "Gmail",
      "outlook": "Outlook",
      "yahoo": "Yahoo! Mail",
      "apple-mail": "Apple Mail",
      "aol": "AOL",
      "thunderbird": "Mozilla Thunderbird",
      "microsoft": "Microsoft",
      "samsung-email": "Samsung Email",
      "sfr": "SFR",
      "orange": "Orange",
      "protonmail": "ProtonMail",
      "hey": "HEY",
      "mail-ru": "Mail.ru",
      "fastmail": "Fastmail",
      "laposte": "LaPoste.net",
      "t-online-de": "T-online.de",
      "free-fr": "Free.fr",
      "gmx": "GMX",
      "web-de": "WEB.DE",
      "ionos-1and1": "1&1",
      "rainloop": "RainLoop",
      "wp-pl": "WP.pl"
    },
    "platform": {
      "desktop-app": "Desktop",
      "desktop-webmail": "Desktop Webmail",
      "mobile-webmail": "Mobile Webmail",
      "webmail": "Webmail",
      "ios": "iOS",
      "android": "Android",
      "windows": "Windows",
      "macos": "macOS",
      "windows-mail": "Windows Mail",
      "outlook-com": "Outlook.com"
    },
    "support": {
      "supported": "Supported",
      "mitigated": "Partially supported",
      "unsupported": "Not supported",
      "unknown": "Support unknown",
      "mixed": "Mixed support"
    },
    "category": { "html": "HTML", "css": "CSS", "image": "Image formats", "others": "Others" }
  },
  "data": [
    {
      "slug": "amp",
      "title": "AMP for Email",
      "description": "Support for rendering emails in the AMP format.",
      "url": "https://www.caniemail.com/features/amp/",
      "category": "others",
      "tags": [],
      "keywords": "amp4email",
      "last_test_date": "2020-03-31",
      "test_url": "https://www.caniemail.com/tests/amp.html",
      "test_results_url": null,
      "stats": {
        "apple-mail": { "macos": { "12.4": "n" }, "ios": { "13.1": "n" } },
        "gmail": {
          "desktop-webmail": { "2020-04": "y", "2022-02": "y #1" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" },
          "mobile-webmail": { "2020-04": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "n", "2021-03": "n" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2019-10": "n", "16.80": "n" },
          "outlook-com": { "2020-01": "n" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y", "2021-01": "y", "2022-02": "y #1" },
          "ios": { "2019-10": "n", "2022-12": "y" },
          "android": { "2019-10": "n", "2022-12": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-10": "n" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "n" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "n" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "n" }
        },
        "thunderbird": { "macos": { "68.4": "n" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "n" } },
        "free-fr": { "desktop-webmail": { "2022-12": "n" } },
        "t-online-de": { "desktop-webmail": { "2022-12": "n" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "n" },
          "android": { "2022-06": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "n" },
          "android": { "2022-06": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "n" }, "android": { "2022-06": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Supported on compatible browsers. Refer to ‘supported platforms’ links listed below under resources."
      }
    },

    {
      "slug": "bimi",
      "title": "BIMI",
      "description": "BIMI (Brand Indicators for Message Identification) is a specification allowing for the display of brand logos next to authenticated e-mails.",
      "url": "https://www.caniemail.com/features/bimi/",
      "category": "others",
      "tags": [],
      "keywords": "bimi, logo, brand",
      "last_test_date": "2022-12-29",
      "test_url": "https://www.caniemail.com",
      "test_results_url": null,
      "stats": {
        "apple-mail": { "macos": { "15": "n", "16": "y" }, "ios": { "15": "n", "16": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-01": "y" },
          "ios": { "2023-01": "y" },
          "android": { "2023-01": "y" },
          "mobile-webmail": { "2023-01": "n" }
        },
        "orange": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2023-01": "n" },
          "macos": { "16.56": "n" },
          "outlook-com": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "samsung-email": { "android": { "6.0": "n" } },
        "sfr": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "thunderbird": { "macos": { "78.14": "n" } },
        "aol": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-01": "y" },
          "ios": { "2023-01": "y" },
          "android": { "2023-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "hey": { "desktop-webmail": { "2023-01": "n" } },
        "mail-ru": { "desktop-webmail": { "2023-01": "n" } },
        "fastmail": { "desktop-webmail": { "2023-01": "y" } },
        "laposte": { "desktop-webmail": { "2022-08": "y" } },
        "free-fr": { "desktop-webmail": { "2023-01": "n" } },
        "gmx": { "desktop-webmail": { "2023-01": "n" } },
        "t-online-de": { "desktop-webmail": { "2023-01": "n" } }
      },
      "notes": "Data based on email clients providers own declarations.",
      "notes_by_num": null
    },

    {
      "slug": "css-accent-color",
      "title": "accent-color",
      "description": "",
      "url": "https://www.caniemail.com/features/css-accent-color/",
      "category": "css",
      "tags": [],
      "keywords": "accent,color",
      "last_test_date": "2023-12-19",
      "test_url": "https://www.caniemail.com/tests/css-accent-color.html",
      "test_results_url": "https://testi.at/proj/LAzSmlkimAnFmnrtPjPuPjpT1rO",
      "stats": {
        "apple-mail": {
          "macos": { "16": "n", "17": "n", "18": "n", "19": "n", "20": "n", "21": "y" },
          "ios": { "11": "n", "12": "n", "13": "n", "14": "y #1", "15": "y #1" }
        },
        "gmail": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" },
          "mobile-webmail": { "2022-07": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "outlook": {
          "windows": {
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n",
            "2021": "n"
          },
          "windows-mail": { "2022-07": "n" },
          "macos": { "2022-07": "n", "16.80": "n" },
          "outlook-com": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "aol": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "samsung-email": { "android": { "2022-07": "y #1" } },
        "sfr": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "hey": { "desktop-webmail": { "2022-07": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-07": "y #1" } },
        "fastmail": { "desktop-webmail": { "2022-07": "n" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Supports `accent-color` but rendering depends on browser support." }
    },

    {
      "slug": "css-align-items",
      "title": "align-items",
      "description": "",
      "url": "https://www.caniemail.com/features/css-align-items/",
      "category": "css",
      "tags": [],
      "keywords": "align,items,flexbox,grid",
      "last_test_date": "2023-12-19",
      "test_url": "https://www.caniemail.com/tests/css-align-items.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/FvYneb1dhiR4we6rAOf4AC02oFa6ksA0sTWxbEjgmt6Mg/list",
      "stats": {
        "apple-mail": {
          "macos": { "11": "y", "12": "y", "13": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2020-12": "n" },
          "ios": { "2020-12": "n" },
          "android": { "2020-12": "n" },
          "mobile-webmail": { "2020-12": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-02": "y", "2021-03": "n" },
          "ios": { "2021-03": "y", "2024-04": "n" },
          "android": { "2021-03": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-12": "n" },
          "macos": { "2020-12": "y", "16.80": "y" },
          "outlook-com": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "4.2048.4": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-12": "n" },
          "ios": { "2021-03": "n" },
          "android": { "6.16.2.1519779": "n" }
        },
        "aol": {
          "desktop-webmail": { "2020-12": "n" },
          "ios": { "2021-03": "n" },
          "android": { "2021-03": "n" }
        },
        "samsung-email": { "android": { "6.1.31.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-03": "y" },
          "ios": { "2021-03": "y" },
          "android": { "2021-03": "y" }
        },
        "thunderbird": { "macos": { "2020-12": "y" } },
        "protonmail": {
          "desktop-webmail": { "2021-03": "y" },
          "ios": { "2021-03": "y" },
          "android": { "2021-03": "y" }
        },
        "hey": { "desktop-webmail": { "2021-03": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-12": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y #1" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Supported. But a default style of `margin:auto` is applied on every element and can prevent the expected result."
      }
    },

    {
      "slug": "css-animation",
      "title": "animation",
      "description": "Tests for the shorthand `animation` property and its longhand equivalents.",
      "url": "https://www.caniemail.com/features/css-animation/",
      "category": "css",
      "tags": [],
      "keywords": "keyframes",
      "last_test_date": "2023-12-19",
      "test_url": "https://www.caniemail.com/tests/css-animation.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/u4oWccYOFNNyTagHs2NSUZqJYQ3MssrqDMocBnRa35hf7/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" },
          "mobile-webmail": { "2021-05": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2021-05": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "n" },
          "outlook-com": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "samsung-email": { "android": { "6.1": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "a #1" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "hey": { "desktop-webmail": { "2021-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "a #1" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "a #2" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. Animation properties are supported but `@keyframes` are incorrectly prefixed.",
        "2": "Partial. Only supports from and to keyframes. Does not support % keyframes"
      }
    },

    {
      "slug": "css-aspect-ratio",
      "title": "aspect-ratio",
      "description": "Sets a preferred aspect ratio for the element",
      "url": "https://www.caniemail.com/features/css-aspect-ratio/",
      "category": "css",
      "tags": [],
      "keywords": "ratio",
      "last_test_date": "2023-12-19",
      "test_url": "https://www.caniemail.com/tests/css-aspect-ratio.html",
      "test_results_url": "https://testi.at/proj/Mv0IO0vs3vTgRQuJ8IzyBfD6",
      "stats": {
        "apple-mail": {
          "macos": { "14": "n", "15.0": "y" },
          "ios": { "11": "n", "12": "n", "13": "n", "14": "n", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2021-10": "n" },
          "ios": { "2021-10": "n" },
          "android": { "2021-10": "n" },
          "mobile-webmail": { "2021-10": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-10": "n" },
          "ios": { "2021-10": "n" },
          "android": { "2021-10": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2021-10": "n" },
          "macos": { "2021-10": "n", "16.80": "n" },
          "outlook-com": { "2021-10": "n", "2023-12": "n" },
          "ios": { "2021-10": "n" },
          "android": { "2021-10": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-10": "n" },
          "ios": { "2021-10": "n" },
          "android": { "6.37": "n" }
        },
        "aol": {
          "desktop-webmail": { "2021-10": "n" },
          "ios": { "2021-10": "n" },
          "android": { "2021-10": "n" }
        },
        "samsung-email": { "android": { "2021-10": "n" } },
        "sfr": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y #1" },
          "android": { "2021-11": "y" }
        },
        "thunderbird": { "macos": { "78.10.2": "n" } },
        "protonmail": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y #1" },
          "android": { "2021-11": "y" }
        },
        "hey": { "desktop-webmail": { "2021-11": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-11": "n" } },
        "laposte": { "desktop-webmail": { "2021-10": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Requires iOS 15." }
    },

    {
      "slug": "css-at-font-face",
      "title": "@font-face",
      "description": "`@font-face` in CSS allows to include your own fonts inside an email.",
      "url": "https://www.caniemail.com/features/css-at-font-face/",
      "category": "css",
      "tags": [],
      "keywords": "font face, web fonts, google fonts",
      "last_test_date": "2023-12-19",
      "test_url": "https://www.caniemail.com/tests/css-font-face.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/veY9MhuhgFeF1ly5crrhTXawfLJSwxgpYi27OElI7iSoc/list",
      "stats": {
        "apple-mail": { "macos": { "12.2": "y" }, "ios": { "10.3": "y", "12.3.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-07": "n #6" },
          "ios": { "2019-07": "n" },
          "android": { "2019-07": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-05": "a #2", "2021-03": "n #7", "2024-03": "n" },
          "ios": { "2019-07": "y", "2024-03": "n" },
          "android": { "2019-07": "a #1", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "a #3",
            "2007": "a #4 #5",
            "2010": "a #4 #5",
            "2013": "a #4 #5",
            "2016": "a #4 #5",
            "2019": "a #4"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "n" },
          "outlook-com": { "2019-07": "n", "2023-12": "n" },
          "ios": { "2.51.1": "y", "3.29.0": "n" },
          "android": { "2019-07": "n" }
        },
        "samsung-email": { "android": { "6.0": "y #8", "2021-11": "y #8" } },
        "sfr": {
          "desktop-webmail": { "2019-07": "a #2" },
          "ios": { "2019-07": "n" },
          "android": { "2019-07": "n" }
        },
        "thunderbird": { "macos": { "60.7": "y", "78.5": "y" } },
        "aol": {
          "desktop-webmail": { "2020-01": "n" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-07": "n" },
          "ios": { "2019-07": "n" },
          "android": { "2019-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "a #2" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Only supported through a `<link>` tag.",
        "2": "Partial. Only supported directly through a `<style>` tag.",
        "3": "Buggy. Support depends on the version of IE installed.",
        "4": "Partial. The declaration is supported but distant fonts are ignored.",
        "5": "Buggy. Elements using a font declared with `@font-face` ignore the font stack and fall back to Times New Roman. Use `mso-generic-font-family` and `mso-font-alt` to control the fallback.",
        "6": "Not supported. Roboto and Google Sans can be used, but only because they're embedded with the webmail's own styles.",
        "7": "Not supported. The `@font-face` declaration is kept but the `src` property is removed.",
        "8": "Not supported when using a Microsoft email address; outlook, live, hotmail, etc."
      }
    },

    {
      "slug": "css-at-import",
      "title": "@import",
      "description": "This is the description of the `@import` property.",
      "url": "https://www.caniemail.com/features/css-at-import/",
      "category": "css",
      "tags": [],
      "keywords": "css, style",
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-placement.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/6vV9sx4RoRsdnkZBDjLWwSC18VcUQzJY00tlj2NVSxKKv/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "n", "2021-03": "n" },
          "ios": { "2019-08": "y", "2023-12": "n" },
          "android": { "2019-08": "y", "2023-12": "n" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2019-02": "y" },
          "macos": { "2019-02": "y", "16.80": "n" },
          "outlook-com": { "2019-02": "n", "2023-12": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "thunderbird": { "macos": { "60.8": "y", "78.5": "n" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2020-01": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "n" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "n" },
          "ios": { "2019-08": "n" },
          "android": { "2019-08": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "n" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "n" } },
        "wp-pl": { "desktop-webmail": { "2023-12": "n" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-at-keyframes",
      "title": "@keyframes",
      "description": "",
      "url": "https://www.caniemail.com/features/css-at-keyframes/",
      "category": "css",
      "tags": [],
      "keywords": "animation",
      "last_test_date": "2021-05-25",
      "test_url": "https://www.caniemail.com/tests/css-animation.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/u4oWccYOFNNyTagHs2NSUZqJYQ3MssrqDMocBnRa35hf7/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" },
          "mobile-webmail": { "2021-05": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "n #1" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2021-05": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "n" },
          "outlook-com": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "samsung-email": { "android": { "6.1": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "a #1" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "hey": { "desktop-webmail": { "2021-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "a #1" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "a #2" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported. The `@keyframes` declaration is kept but values are incorrectly prefixed.",
        "2": "Partial. Only supports from and to keyframes. Does not support % keyframes"
      }
    },

    {
      "slug": "css-at-media-device-pixel-ratio",
      "title": "@media (-webkit-device-pixel-ratio)",
      "description": "",
      "url": "https://www.caniemail.com/features/css-at-media-device-pixel-ratio/",
      "category": "css",
      "tags": [],
      "keywords": "media queries, media query, media feature",
      "last_test_date": "2019-08-20",
      "test_url": "https://www.caniemail.com/tests/css-media.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/hMLCNCSKZYHkLgLOpIWltlnYjtagbNsrwzMxalc2VbghN/list",
      "stats": {
        "apple-mail": { "macos": { "10.3": "y" }, "ios": { "10.3": "y", "12.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-08": "n" },
          "ios": { "2019-08": "n" },
          "android": { "2019-08": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y #1", "2021-03": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "n" },
          "android": { "2019-08": "n" }
        },
        "thunderbird": { "macos": { "60.3": "n", "78.5": "n" } },
        "yahoo": {
          "desktop-webmail": { "2019-08": "n" },
          "ios": { "2019-08": "n" },
          "android": { "2019-08": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Buggy. The first rule inside a media query is not prefixed." }
    },

    {
      "slug": "css-at-media-hover",
      "title": "@media (hover), @media (any-hover)",
      "description": "This media query tests whether the user's input device[s] (i.e mouse, trackpad etc.) can hover over elements",
      "url": "https://www.caniemail.com/features/css-at-media-hover/",
      "category": "css",
      "tags": ["accessibility"],
      "keywords": "media, media query, hover, any-hover",
      "last_test_date": "2022-08-29",
      "test_url": "https://www.caniemail.com/tests/css-media-hover.html",
      "test_results_url": "https://testi.at/proj/onECpNVH8Dhv7BSLPXUbQ4s0O",
      "stats": {
        "apple-mail": { "macos": { "2022-08": "y" }, "ios": { "2022-08": "y" } },
        "gmail": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "n" },
          "android": { "2022-08": "n" },
          "mobile-webmail": { "2022-08": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-08": "u" },
          "ios": { "2022-08": "u" },
          "android": { "2022-08": "u" }
        },
        "outlook": {
          "windows": { "2022-08": "n" },
          "windows-mail": { "2022-08": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2022-08": "y" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "samsung-email": { "android": { "10": "y", "11": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" }
        },
        "thunderbird": { "macos": { "2022-08": "u" } },
        "aol": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "n" },
          "android": { "2022-08": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "n" },
          "android": { "2022-08": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-08": "u" },
          "ios": { "2022-08": "u" },
          "android": { "2022-08": "u" }
        },
        "hey": { "desktop-webmail": { "2022-08": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-08": "n" } },
        "fastmail": { "desktop-webmail": { "2022-08": "u" } },
        "laposte": { "desktop-webmail": { "2022-08": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-at-media-orientation",
      "title": "@media (orientation)",
      "description": "",
      "url": "https://www.caniemail.com/features/css-at-media-orientation/",
      "category": "css",
      "tags": [],
      "keywords": "media queries, media query, media feature, portrait, landscape",
      "last_test_date": "2019-08-20",
      "test_url": "https://www.caniemail.com/tests/css-media.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/hMLCNCSKZYHkLgLOpIWltlnYjtagbNsrwzMxalc2VbghN/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y" },
          "ios": { "10.3": "n", "12": "y", "13": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y #1", "2021-03": "y", "2024-04": "y" },
          "ios": { "2019-08": "n", "2024-04": "y" },
          "android": { "2019-08": "y", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "n", "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "n" },
          "android": { "2019-08": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y", "78.5": "n" } },
        "yahoo": {
          "desktop-webmail": { "2019-08": "n" },
          "ios": { "2019-08": "n" },
          "android": { "2019-08": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Buggy. The first rule inside a media query is not prefixed." }
    },

    {
      "slug": "css-at-media-prefers-color-scheme",
      "title": "@media (prefers-color-scheme)",
      "description": "This media query allows to theme for system light and dark mode.",
      "url": "https://www.caniemail.com/features/css-at-media-prefers-color-scheme/",
      "category": "css",
      "tags": ["accessibility"],
      "keywords": "media queries, media query, media feature, dark mode, light mode",
      "last_test_date": "2023-03-08",
      "test_url": "https://www.caniemail.com/tests/css-media-prefers-color-scheme.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/CBhafIa5yXDRKQKbV442rVFISXim84wMgXaoCqVFD8VTe/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "n", "12.4": "y", "16.0": "y" },
          "ios": { "12.2": "n", "13.0": "y", "16.1": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2020-01": "n", "2022-12": "n" },
          "ios": { "2020-01": "n", "2022-12": "n" },
          "android": { "2020-01": "n", "2022-12": "n" },
          "mobile-webmail": { "2020-02": "n", "2022-12": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "y", "2022-12": "y", "2024-04": "y" },
          "ios": { "2020-01": "n", "2022-12": "y", "2024-04": "y" },
          "android": { "2020-01": "n", "2022-12": "n", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2019": "y", "16.70": "y #3", "16.80": "y #3" },
          "outlook-com": { "2019-07": "y", "2022-12": "y #3" },
          "ios": { "2020-01": "y", "2022-12": "y #3" },
          "android": { "2020-01": "n", "2022-12": "n #3", "2023-03": "y #3" }
        },
        "samsung-email": { "android": { "6.0": "n", "6.1": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y", "2022-12": "y" },
          "ios": { "2019-08": "n", "2022-12": "n" },
          "android": { "2019-08": "n", "2022-12": "n" }
        },
        "thunderbird": { "macos": { "60.8": "n", "68.4": "y", "78.5": "n", "91.13": "n" } },
        "aol": {
          "desktop-webmail": { "2020-01": "n #1" },
          "ios": { "2020-01": "n #1" },
          "android": { "2020-01": "n #1" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-01": "n #1", "2022-12": "n #6" },
          "ios": { "2020-01": "n #1", "2022-12": "n" },
          "android": { "2020-01": "n #1", "2022-12": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n", "2022-12": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y", "2022-12": "n #5" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n", "2022-12": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n #2", "2022-12": "y #4" } },
        "laposte": { "desktop-webmail": { "2021-08": "y", "2022-12": "y" } },
        "free-fr": { "desktop-webmail": { "2022-12": "y" } },
        "t-online-de": { "desktop-webmail": { "2022-12": "n" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported. `@media (prefers-color-scheme)` is transformed into `@media ( _filtered_a )`.",
        "2": "Not supported. `@media (prefers-color-scheme:dark)` is transformed into `@media none`.",
        "3": "Additional custom `data` attributes (`data-ogsc`, `data-ogac`, `data-ogsb`, `data-ogab`) are added when viewing an email in dark mode. See [this article](https://www.hteumeuleu.com/2021/emails-react-outlook-com-dark-mode/) for examples.",
        "4": "`@media (prefers-color-scheme:dark)` is transformed into `@media all` at run time if it applies.",
        "5": "Not supported. `@media (prefers-color-scheme:dark)` is transformed into `@media (false)`",
        "6": "Not supported. `@media (prefers-color-scheme:dark)` is transformed into `@media ()`"
      }
    },

    {
      "slug": "css-at-media-prefers-reduced-motion",
      "title": "@media (prefers-reduced-motion)",
      "description": "",
      "url": "https://www.caniemail.com/features/css-at-media-prefers-reduced-motion/",
      "category": "css",
      "tags": ["accessibility", "performance"],
      "keywords": "media queries, media query, media feature, prefers-reduced-motion, animation, accessibility",
      "last_test_date": "2021-02-20",
      "test_url": "https://www.caniemail.com/tests/css-media-prefers-reduced-motion.html",
      "test_results_url": "https://testi.at/proj/e3GT3l1CxqBUoE3u9keC4WLf5",
      "stats": {
        "apple-mail": {
          "macos": { "11": "y", "12": "y", "13": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2020-12": "n" },
          "ios": { "2020-12": "n" },
          "android": { "2020-12": "n" },
          "mobile-webmail": { "2020-12": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-02": "y", "2021-03": "y" },
          "ios": { "2021-02": "y" },
          "android": { "2021-02": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "16005.13426.20316.0": "n" },
          "macos": { "2020-12": "y", "16.80": "y" },
          "outlook-com": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "4.2048.4": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-12": "n" },
          "ios": { "2021-02": "n" },
          "android": { "6.16.2.1519779": "n" }
        },
        "aol": {
          "desktop-webmail": { "2020-12": "n" },
          "ios": { "2021-02": "n" },
          "android": { "2021-02": "n" }
        },
        "samsung-email": { "android": { "6.1.31.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-02": "y" },
          "ios": { "2021-02": "n" },
          "android": { "2021-02": "n" }
        },
        "thunderbird": { "macos": { "78.7": "n" } },
        "protonmail": {
          "desktop-webmail": { "2021-02": "n" },
          "ios": { "2021-02": "n" },
          "android": { "2021-02": "n" }
        },
        "hey": { "desktop-webmail": { "2021-02": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-02": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n #1" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported. `@media (prefers-reduced-motion:reduce)` is transformed into `@media none`."
      }
    },

    {
      "slug": "css-at-media",
      "title": "@media",
      "description": "",
      "url": "https://www.caniemail.com/features/css-at-media/",
      "category": "css",
      "tags": [],
      "keywords": "media queries, media query, media feature",
      "last_test_date": "2023-12-13",
      "test_url": "https://www.caniemail.com/tests/css-media.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/hMLCNCSKZYHkLgLOpIWltlnYjtagbNsrwzMxalc2VbghN/list",
      "stats": {
        "apple-mail": { "macos": { "10.3": "y" }, "ios": { "10.3": "y", "12.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-08": "a #1 #7", "2020-01": "a #7" },
          "ios": { "2019-08": "a #1 #6 #7", "2020-01": "a #6 #7" },
          "android": { "2019-08": "a #1 #6 #7", "2022-07": "a #6 #7" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y #5", "2021-03": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "a #1",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "a #1 #10" },
          "outlook-com": { "2019-08": "a #1", "2023-12": "a #1 #10" },
          "ios": { "2019-08": "a #1" },
          "android": { "2019-08": "a #1" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0": "y", "6.1.90.16": "a #9" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "n" },
          "android": { "2019-08": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y", "78.5": "n", "102.11": "n" } },
        "yahoo": {
          "desktop-webmail": { "2019-08": "a #1 #2", "2020-01": "a #2" },
          "ios": { "2019-08": "a #1 #2", "2020-01": "a #2" },
          "android": { "2019-08": "a #1 #2 #3", "2020-01": "a #2 #3" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "a #1 #2", "2020-01": "a #2" },
          "ios": { "2019-02": "a #1 #2", "2020-01": "a #2" },
          "android": { "2019-02": "a #1 #2", "2020-01": "a #2" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n", "2023-05": "a #8" },
          "ios": { "2020-03": "n", "2023-05": "a #8" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "a #1 #7" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y #1" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y #1" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Does not support nested media queries.",
        "2": "Partial. Only supports `screen`, `min-width`, `max-width`, `min-height` and `max-height` based media queries.",
        "3": "Buggy. Requires a double `<head>` hack to work.",
        "4": "Partial. Does not support simple `@media {}` declarations.",
        "5": "Buggy. The first rule inside a media query is not prefixed.",
        "6": "Partial. Not supported with non Google accounts.",
        "7": "Partial. Does not support height based media queries.",
        "8": "Partial. Does not support landscape media query.",
        "9": "Partial. Not supported with Hotmail/Outlook accounts.",
        "10": "Partial. Nested media queries are removed."
      }
    },

    {
      "slug": "css-at-supports",
      "title": "@supports",
      "description": null,
      "url": "https://www.caniemail.com/features/css-at-supports/",
      "category": "css",
      "tags": [],
      "keywords": "feature queries",
      "last_test_date": "2020-05-25",
      "test_url": "https://www.caniemail.com/tests/css-at-supports.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/No78GouZXTsxEZCD6z4Hn2frAvg3tHBw1SRAP8SwPKsZ5/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" },
          "mobile-webmail": { "2020-05": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-05": "y", "2021-03": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-05": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "n" },
          "outlook-com": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "thunderbird": { "macos": { "68.7": "y", "78.5": "n" } },
        "aol": {
          "desktop-webmail": { "2020-05": "y #1" },
          "ios": { "2020-05": "y #1" },
          "android": { "2020-05": "y #1" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "y #1" },
          "ios": { "2020-05": "y #1" },
          "android": { "2020-05": "y #1" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n #2" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Properties not supported by the client are replaced by `_filtered_a` inside the parenthesis.",
        "2": "Not supported. `@supports` is transformed into `@media not all`."
      }
    },

    {
      "slug": "css-backdrop-filter",
      "title": "backdrop-filter",
      "description": "Lets you apply graphical effects such as blurring or color shifting to the area behind an element.",
      "url": "https://www.caniemail.com/features/css-backdrop-filter/",
      "category": "css",
      "tags": [],
      "keywords": "filter",
      "last_test_date": "2024-01-17",
      "test_url": "https://www.caniemail.com/tests/css-backdrop-filter.html",
      "test_results_url": "https://testi.at/proj/p4r7t9n30o7nh7vvfpn",
      "stats": {
        "apple-mail": {
          "macos": { "10": "y #1", "11": "u", "12": "u", "13": "y #1" },
          "ios": { "11": "n", "12": "n", "13": "y #1", "14": "y #1", "15": "y #1" }
        },
        "gmail": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "n" },
          "mobile-webmail": { "2024-01": "n" }
        },
        "orange": {
          "desktop-webmail": { "2024-01": "u" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-01": "n" },
          "macos": { "2024-01": "y" },
          "outlook-com": { "2024-01": "n" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "n" }
        },
        "samsung-email": { "android": { "2024-01": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "y" },
          "android": { "2024-03": "y" }
        },
        "thunderbird": { "macos": { "2024-01": "u" } },
        "protonmail": {
          "desktop-webmail": { "2024-01": "u" },
          "ios": { "2024-01": "u" },
          "android": { "2024-01": "u" }
        },
        "hey": { "desktop-webmail": { "2024-01": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-01": "y" } },
        "fastmail": { "desktop-webmail": { "2024-01": "u" } },
        "laposte": { "desktop-webmail": { "2024-01": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "u" },
          "android": { "2024-01": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "u" },
          "android": { "2024-01": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-01": "u" }, "android": { "2024-01": "u" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Works with prefix `-webkit`" }
    },

    {
      "slug": "css-background-blend-mode",
      "title": "background-blend-mode",
      "description": "",
      "url": "https://www.caniemail.com/features/css-background-blend-mode/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-background.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a #1" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5.0": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "css-background-clip",
      "title": "background-clip",
      "description": "",
      "url": "https://www.caniemail.com/features/css-background-clip/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-background.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a #1" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5.0": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts. But it can be used in the `background` shorthand property instead."
      }
    },

    {
      "slug": "css-background-color",
      "title": "background-color",
      "description": "",
      "url": "https://www.caniemail.com/features/css-background-color/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-background.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "a #1" },
          "ios": { "2019-08": "y", "2021-10": "a #1" },
          "android": { "2019-08": "y", "2021-10": "a #1" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2019-02": "y" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5.0": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "a #1" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "a #1" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. Only supports [color keywords from CSS Level 1](https://developer.mozilla.org/en-US/docs/Web/CSS/color_value#color_keywords)."
      }
    },

    {
      "slug": "css-background-image",
      "title": "background-image",
      "description": "",
      "url": "https://www.caniemail.com/features/css-background-image/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-07-24",
      "test_url": "https://www.caniemail.com/tests/css-background.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/04SuPXr8tEGhWRlJ2Us6dA8BzgREpyxHYEmSBeyNuWyWo/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y", "2023-07": "a #6", "2023-08": "y" },
          "ios": { "2018-09": "a #1", "2018-10": "y", "2019-02": "y" },
          "android": { "2018-09": "a #1", "2018-10": "y", "2019-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "y", "2024-04": "y" },
          "ios": { "2019-08": "y", "2024-04": "y" },
          "android": { "2019-08": "y", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2007": "n #5",
            "2010": "n #5",
            "2013": "n #5",
            "2016": "n #5",
            "2019": "n #5"
          },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "a #3 #4", "2021-10": "a #3" },
          "ios": { "2019-02": "a #3 #4", "2021-10": "a #3" },
          "android": { "2019-02": "a #3 #4", "2021-10": "a #3" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "a #3 #4", "2021-10": "a #3" },
          "ios": { "2019-02": "a #3 #4", "2021-10": "a #3" },
          "android": { "2019-02": "a #3 #4", "2021-10": "a #3" }
        },
        "samsung-email": { "android": { "5.0.10.2": "a #2", "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5.0": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "t-online-de": { "desktop-webmail": { "2021-11": "n" } },
        "free-fr": { "desktop-webmail": { "2021-11": "n" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "a #3" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "a #3" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Buggy. Requires at least one `<img>` element in the email to download all images.",
        "3": "Partial. Does not support multiple values. The comma between two values is removed.",
        "4": "Partial. Images URL must be between quotes.",
        "5": "Background images can be used in VML. See [backgrounds.cm](https://backgrounds.cm/) and [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/web-workshop---how-to-use-vml-on-web-pages-----fill--element).",
        "6": "Partial and buggy. Removes the entire `style` attribute or `<style>` tag when a `url()` function with a valid image URL is present. See [Gmail rolling out changes that strip CSS with background images](https://freshinbox.com/blog/gmail-rolling-out-changes-that-strip-background-image-css/) and [Gmail and background images](https://parcel.io/blog/gmail-and-background-images)."
      }
    },

    {
      "slug": "css-background-origin",
      "title": "background-origin",
      "description": "",
      "url": "https://www.caniemail.com/features/css-background-origin/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-background.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a" },
          "android": { "2019-02": "a" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2007": "n #1",
            "2010": "n #1",
            "2013": "n #1",
            "2016": "n #1",
            "2019": "n #1"
          },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5.0": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Background images origin can be used in VML with the `origin` attribute. See [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/origin-attribute--fill--vml)."
      }
    },

    {
      "slug": "css-background-position",
      "title": "background-position",
      "description": "",
      "url": "https://www.caniemail.com/features/css-background-position/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-background.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y #1" },
          "ios": { "2019-02": "a", "2021-10": "y #1" },
          "android": { "2019-02": "a", "2021-10": "y #1" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "y", "2024-04": "y" },
          "ios": { "2019-08": "y", "2024-04": "y" },
          "android": { "2019-08": "y", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2007": "n #2",
            "2010": "n #2",
            "2013": "n #2",
            "2016": "n #2",
            "2019": "n #2"
          },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y #1" },
          "ios": { "2019-02": "y #1" },
          "android": { "2019-02": "y #1" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y #1" },
          "ios": { "2019-02": "y #1" },
          "android": { "2019-02": "y #1" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5.0": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "a #1" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "a #1" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Does not support multiple values. The comma between two values is removed.",
        "2": "Background images position can be used in VML with the `position` attribute. See [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/position-attribute--fill--vml)."
      }
    },

    {
      "slug": "css-background-repeat",
      "title": "background-repeat",
      "description": "",
      "url": "https://www.caniemail.com/features/css-background-repeat/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-background.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a", "2021-10": "y" },
          "android": { "2019-02": "a", "2021-10": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "y", "2024-04": "y" },
          "ios": { "2019-08": "y", "2024-04": "y" },
          "android": { "2019-08": "y", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2007": "n #2",
            "2010": "n #2",
            "2013": "n #2",
            "2016": "n #2",
            "2019": "n #2"
          },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y #1" },
          "ios": { "2019-02": "y #1" },
          "android": { "2019-02": "y #1" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y #1" },
          "ios": { "2019-02": "y #1" },
          "android": { "2019-02": "y #1" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5.0": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "a #1" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "a #1" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Does not support multiple values. The comma between two values is removed.",
        "2": "Background images repetition can be used in VML with the `type=\"tile\"` or `type=\"frame\"` attribute. See [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/type-attribute--fill--vml)."
      }
    },

    {
      "slug": "css-background-size",
      "title": "background-size",
      "description": "",
      "url": "https://www.caniemail.com/features/css-background-size/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-background.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a #1" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2007": "n #3",
            "2010": "n #3",
            "2013": "n #3",
            "2016": "n #3",
            "2019": "n #3"
          },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y #2" },
          "ios": { "2019-02": "y #2" },
          "android": { "2019-02": "y #2" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y #2" },
          "ios": { "2019-02": "y #2" },
          "android": { "2019-02": "y #2" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5.0": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts. But it can be used in the `background` shorthand property instead.",
        "2": "Partial. Does not support multiple values. The comma between two values is removed.",
        "3": "Background images size can be used in VML with the `size` attribute. See [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/size-attribute--fill--vml)."
      }
    },

    {
      "slug": "css-background",
      "title": "background",
      "description": "",
      "url": "https://www.caniemail.com/features/css-background/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-07-24",
      "test_url": "https://www.caniemail.com/tests/css-background.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/04SuPXr8tEGhWRlJ2Us6dA8BzgREpyxHYEmSBeyNuWyWo/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y", "2023-07": "a #6 #7", "2023-08": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "a #6" },
          "ios": { "2019-08": "y", "2024-04": "a #6" },
          "android": { "2019-08": "y", "2024-04": "a #6" }
        },
        "outlook": {
          "windows": {
            "2007": "a #3",
            "2010": "a #3",
            "2013": "a #3",
            "2016": "a #3",
            "2019": "a #3"
          },
          "windows-mail": { "2019-02": "n", "2021-10": "a #3" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "a #1 #2 #4", "2021-10": "a #1 #2" },
          "ios": { "2019-02": "a #1 #2 #4", "2021-10": "a #1 #2" },
          "android": { "2019-02": "a #1 #2 #4", "2021-10": "a #1 #2" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "a #1 #2 #4", "2021-10": "a #1 #2" },
          "ios": { "2019-02": "a #1 #2 #4", "2021-10": "a #1 #2" },
          "android": { "2019-02": "a #1 #2 #4", "2021-10": "a #1 #2" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5.0": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y #5" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "a #1 #5 #6" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "a #1 #5 #6" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Does not support multiple values. The comma between two values is removed.",
        "2": "Partial. Does not support the `/ value` shorthand for `background-size`. But it can be used in the `background-size` property instead.",
        "3": "Partial. Only `background-color` values are supported.",
        "4": "Partial. Images URL must be between quotes.",
        "5": "Partial. Does not support multiple values. The entire property is removed if so.",
        "6": "Partial. Does not support the `/ value` shorthand for `background-size`.",
        "7": "Partial and buggy. Removes the entire `style` attribute or `<style>` tag when a `url()` function with a valid image URL is present. See [Gmail rolling out changes that strip CSS with background images](https://freshinbox.com/blog/gmail-rolling-out-changes-that-strip-background-image-css/) and [Gmail and background images](https://parcel.io/blog/gmail-and-background-images)."
      }
    },

    {
      "slug": "css-block-inline-size",
      "title": "block-size & inline-size",
      "description": "Defines the horizontal or vertical size of an element's block, depending on its writing mode.",
      "url": "https://www.caniemail.com/features/css-block-inline-size/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "block-size, inline-size",
      "last_test_date": "2022-07-14",
      "test_url": "https://www.caniemail.com/tests/css-block-size.html",
      "test_results_url": "https://testi.at/proj/0xeT11rcnx6IzN7f9NsVFlZ",
      "stats": {
        "apple-mail": {
          "macos": { "10.13": "n", "10.15": "y", "11": "y", "12": "y" },
          "ios": { "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" },
          "mobile-webmail": { "2022-07": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2022": "n" },
          "windows-mail": { "2022-07": "n" },
          "macos": { "16.56": "y", "16.80": "n" },
          "outlook-com": { "2022-07": "n", "2024-01": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "samsung-email": { "android": { "10": "y", "11": "y" } },
        "sfr": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "u" }
        },
        "thunderbird": { "macos": { "91.11.0": "y" } },
        "aol": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "u" }
        },
        "hey": { "desktop-webmail": { "2022-07": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-07": "y" } },
        "fastmail": { "desktop-webmail": { "2022-07": "y" } },
        "laposte": { "desktop-webmail": { "2022-07": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-border-collapse",
      "title": "border-collapse",
      "description": "Sets whether cells inside a `<table>` have shared or separate borders.",
      "url": "https://www.caniemail.com/features/css-border-collapse/",
      "category": "css",
      "tags": [],
      "keywords": "table",
      "last_test_date": "2023-12-20",
      "test_url": "https://www.caniemail.com/tests/css-border-collapse.html",
      "test_results_url": "https://testi.at/proj/4zk4fe7tv86fn4bc6",
      "stats": {
        "apple-mail": { "macos": { "2023-12": "y" }, "ios": { "2023-12": "y" } },
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          "ios": { "2023-12": "y" },
          "android": { "2023-12": "y" },
          "mobile-webmail": { "2023-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "outlook": {
          "windows": { "2023-12": "y" },
          "windows-mail": { "2023-12": "y" },
          "macos": { "2023-12": "y" },
          "outlook-com": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-12": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-12": "y" }
        },
        "aol": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-12": "y" }
        },
        "samsung-email": { "android": { "2023-12": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "y" },
          "android": { "2024-03": "y" }
        },
        "thunderbird": { "macos": { "2023-12": "y" } },
        "protonmail": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "hey": { "desktop-webmail": { "2023-12": "u" } },
        "mail-ru": { "desktop-webmail": { "2023-12": "y" } },
        "fastmail": { "desktop-webmail": { "2023-12": "u" } },
        "laposte": { "desktop-webmail": { "2023-12": "u" } },
        "gmx": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2023-12": "u" }, "android": { "2023-12": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-border-image",
      "title": "border-image",
      "description": "",
      "url": "https://www.caniemail.com/features/css-border-image/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-box-model.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/pyPQFHSYLFrhbRShalju0B2fYNwUgLuyKTLx4MLqiw5mE/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
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          "outlook-com": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "thunderbird": { "macos": { "60.5": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-border-inline-block-individual",
      "title": "border-inline & border-block individual logical properties",
      "description": "Support for `border-inline` & `border-block` individual logical properties.",
      "url": "https://www.caniemail.com/features/css-border-inline-block-individual/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "border-inline-color, border-block-color, border-inline-style, border-block-style, border-inline-width, border-block-width, border-inline-start, border-inline-end, border-block-start, border-block-end",
      "last_test_date": "2022-07-14",
      "test_url": "https://www.caniemail.com/tests/css-border-logical-properties.html",
      "test_results_url": "https://testi.at/proj/1yxFDAGtwrUmbf4tzMTY",
      "stats": {
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          "ios": { "11": "n", "12": "a #1", "13": "a #1", "14": "a #1", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" },
          "mobile-webmail": { "2022-07": "n" }
        },
        "orange": {
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          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "outlook": {
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          "windows-mail": { "2022-07": "n" },
          "macos": { "2011": "a #1", "2016": "a #1", "16.80": "n" },
          "outlook-com": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "samsung-email": { "android": { "10": "a #1", "11": "a #1" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "y" },
          "android": { "2024-03": "y" }
        },
        "thunderbird": { "macos": { "60.3": "u" } },
        "aol": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "yahoo": {
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          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "hey": { "desktop-webmail": { "2022-07": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-07": "y" } },
        "fastmail": { "desktop-webmail": { "2022-07": "u" } },
        "laposte": { "desktop-webmail": { "2022-07": "u" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. `border-<inline/block>-color` and `border-<inline/block>-width` does not work."
      }
    },

    {
      "slug": "css-border-inline-block-longhand",
      "title": "border-inline & border-block longhand properties",
      "description": "Support for `border-inline` & `border-block` longhand properties.",
      "url": "https://www.caniemail.com/features/css-border-inline-block-longhand/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "border-inline-start-color, border-block-start-color, border-inline-start-style, border-block-start-style, border-inline-start-width, border-block-start-width, border-inline-end-color, border-block-end-color, border-inline-end-style, border-block-end-style, border-inline-end-width, border-block-end-width",
      "last_test_date": "2022-07-14",
      "test_url": "https://www.caniemail.com/tests/css-border-logical-properties.html",
      "test_results_url": "https://testi.at/proj/1yxFDAGtwrUmbf4tzMTY",
      "stats": {
        "apple-mail": {
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          "ios": { "11": "n", "12": "y", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" },
          "mobile-webmail": { "2022-07": "n" }
        },
        "orange": {
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          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "outlook": {
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          "windows-mail": { "2022-07": "n" },
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          "android": { "2022-07": "n" }
        },
        "samsung-email": { "android": { "10": "y", "11": "y" } },
        "sfr": {
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          "ios": { "2024-03": "y" },
          "android": { "2024-03": "y" }
        },
        "thunderbird": { "macos": { "60.3": "u" } },
        "aol": {
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          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "hey": { "desktop-webmail": { "2022-07": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-07": "y" } },
        "fastmail": { "desktop-webmail": { "2022-07": "u" } },
        "laposte": { "desktop-webmail": { "2022-07": "u" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
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    },

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      "slug": "css-border-inline-block",
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      "description": "Support for the `border-inline` and `border-block` shorthand properties.",
      "url": "https://www.caniemail.com/features/css-border-inline-block/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "border-inline, border-block",
      "last_test_date": "2022-07-13",
      "test_url": "https://www.caniemail.com/tests/css-border-logical-properties.html",
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      "title": "border-radius logical properties",
      "description": "Support for border radius logical properties",
      "url": "https://www.caniemail.com/features/css-border-radius-logical/",
      "category": "css",
      "tags": [],
      "keywords": "border-start-start-radius, border-start-end-radius, border-end-start-radius, border-end-end-radius",
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    {
      "slug": "css-border-radius",
      "title": "border-radius",
      "description": "The `border-radius` CSS property rounds the corners of an element's outer border edge.",
      "url": "https://www.caniemail.com/features/css-border-radius/",
      "category": "css",
      "tags": [],
      "keywords": "rounded corners",
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        "1": "Round corners can be used in VML with the `RoundRect` element. See [buttons.cm](https://buttons.cm/) and [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/msdn-online-vml-roundrect-element).",
        "2": "Partial support. Shorthand for setting elliptical borders with the slash `/` notation is not supported e.g. `border-radius: 27% 73% 70% 30% / 30% 34% 66% 70%;`."
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      "title": "border-spacing",
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      "url": "https://www.caniemail.com/features/css-border-spacing/",
      "category": "css",
      "tags": [],
      "keywords": "table",
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      "test_url": "https://www.caniemail.com/tests/css-border-spacing.html",
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    },

    {
      "slug": "css-border",
      "title": "border",
      "description": "The `border` properties set an element's border. This page accounts for all `border` longhands and shorthands.",
      "url": "https://www.caniemail.com/features/css-border/",
      "category": "css",
      "tags": [],
      "keywords": "border-width, border-style, border-color, border-top, border-bottom, border-left, border-right, border-top-width, border-top-style, border-top-color, border-bottom-width, border-bottom-style, border-bottom-color, border-left-width, border-left-style, border-left-color, border-right-width, border-right-style, border-right-color",
      "last_test_date": "2021-07-22",
      "test_url": "https://www.caniemail.com/tests/css-border.html",
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      "notes_by_num": {
        "1": "Partial. A border can not be bigger than 8px.",
        "2": "Buggy. Unreliable if used on a `<p>` or a `<div>`."
      }
    },

    {
      "slug": "css-box-shadow",
      "title": "box-shadow",
      "description": "Adds shadow effects around an element's frame.",
      "url": "https://www.caniemail.com/features/css-box-shadow/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-12-20",
      "test_url": "https://www.caniemail.com/tests/css-box-shadow.html",
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          "ios": { "2019-02": "a #1", "2023-01": "a #1" },
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        },
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          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
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          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Only supported with non Google accounts." }
    },

    {
      "slug": "css-box-sizing",
      "title": "box-sizing",
      "description": "",
      "url": "https://www.caniemail.com/features/css-box-sizing/",
      "category": "css",
      "tags": [],
      "keywords": "box model",
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-box-model.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/pyPQFHSYLFrhbRShalju0B2fYNwUgLuyKTLx4MLqiw5mE/list",
      "stats": {
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        "gmail": {
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          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
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          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-caption-side",
      "title": "caption-side",
      "description": "The `caption-side` CSS property puts the content of a table's `<caption>` on the specified side.",
      "url": "https://www.caniemail.com/features/css-caption-side/",
      "category": "css",
      "tags": [],
      "keywords": "caption,table",
      "last_test_date": "2021-05-13",
      "test_url": "https://www.caniemail.com/tests/css-caption-side.html",
      "test_results_url": "https://testi.at/proj/JOOcrJZc0YcjDSZQRFP0OTlYXcw",
      "stats": {
        "apple-mail": {
          "macos": { "11": "y", "12": "y", "13": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" },
          "mobile-webmail": { "2021-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2021-05": "n" },
          "macos": { "2021-05": "y", "16.80": "y" },
          "outlook-com": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "6.27": "y" }
        },
        "aol": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "samsung-email": { "android": { "6.1.42.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "thunderbird": { "macos": { "2021-05": "y" } },
        "protonmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "hey": { "desktop-webmail": { "2021-05": "y #1" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "y #1" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2021-12": "y" }, "android": { "2021-12": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "The `caption-side` property in CSS is supported but the `<caption>` HTML element is not."
      }
    },

    {
      "slug": "css-clear",
      "title": "clear",
      "description": "Sets whether an element must be moved below (cleared) floating elements that precede it.",
      "url": "https://www.caniemail.com/features/css-clear/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-09-06",
      "test_url": "https://www.caniemail.com/tests/css-box-model.html",
      "test_results_url": "https://testi.at/proj/gyjkc98dtyzxfd3bhz",
      "stats": {
        "apple-mail": { "macos": { "11": "a #1", "12": "y" }, "ios": { "14": "a #1", "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-09": "y" },
          "ios": { "13": "a #2", "16": "y" },
          "android": { "2024-09": "a #1" },
          "mobile-webmail": { "2024-09": "u" }
        },
        "orange": {
          "desktop-webmail": { "2024-09": "u" },
          "ios": { "2024-09": "u" },
          "android": { "2024-09": "u" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2024-09": "n" },
          "macos": { "2024-09": "u" },
          "outlook-com": { "2024-09": "y" },
          "ios": { "2024-09": "y" },
          "android": { "2024-09": "a #1" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-09": "a #1" },
          "ios": { "2024-09": "a #1" },
          "android": { "2024-09": "a #1" }
        },
        "aol": {
          "desktop-webmail": { "2024-09": "a #1" },
          "ios": { "2024-09": "a #1" },
          "android": { "2024-09": "a #1" }
        },
        "samsung-email": { "android": { "2024-09": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-09": "u" },
          "ios": { "2024-09": "u" },
          "android": { "2024-09": "u" }
        },
        "thunderbird": { "macos": { "2024-09": "u" } },
        "protonmail": {
          "desktop-webmail": { "2024-09": "y" },
          "ios": { "2024-09": "u" },
          "android": { "2024-09": "u" }
        },
        "hey": { "desktop-webmail": { "2024-09": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-09": "y" } },
        "fastmail": { "desktop-webmail": { "2024-09": "u" } },
        "laposte": { "desktop-webmail": { "2024-09": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-09": "a #1" },
          "ios": { "2024-09": "u" },
          "android": { "2024-09": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-09": "a #1" },
          "ios": { "2024-09": "u" },
          "android": { "2024-09": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-09": "u" }, "android": { "2024-09": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Logical property values `inline-start` and `inline-end` are not supported."
      }
    },

    {
      "slug": "css-clip-path",
      "title": "clip-path",
      "description": "",
      "url": "https://www.caniemail.com/features/css-clip-path/",
      "category": "css",
      "tags": [],
      "keywords": "clip,path,svg,mask",
      "last_test_date": "2021-03-09",
      "test_url": "https://www.caniemail.com/tests/css-clip-path.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/wp9G5kZZ8sY3lne7CeGvMmPIlyBT2Wy0nBMBBAevQNgQO/list",
      "stats": {
        "apple-mail": {
          "macos": { "11": "n", "12": "n", "13": "y" },
          "ios": { "11": "n", "12": "n", "13": "n", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2021-02": "n" },
          "ios": { "2021-02": "n" },
          "android": { "2021-02": "n" },
          "mobile-webmail": { "2021-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-02": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2021-03": "y", "2024-04": "n" },
          "android": { "2021-03": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2021-02": "n" },
          "macos": { "2011": "n", "2016": "n", "2021-02": "y", "16.80": "n" },
          "outlook-com": { "2021-02": "n" },
          "ios": { "2021-02": "n" },
          "android": { "4.2101.1": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-02": "n" },
          "ios": { "2021-03": "n" },
          "android": { "6.16.2.1525679": "n" }
        },
        "aol": {
          "desktop-webmail": { "2021-02": "n" },
          "ios": { "2021-03": "n" },
          "android": { "2021-03": "n" }
        },
        "samsung-email": { "android": { "6.1.31.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-03": "y" },
          "ios": { "2021-03": "y" },
          "android": { "2021-03": "y" }
        },
        "thunderbird": { "macos": { "2021-02": "y" } },
        "protonmail": {
          "desktop-webmail": { "2021-03": "y" },
          "ios": { "2021-03": "y" },
          "android": { "2021-03": "y" }
        },
        "hey": { "desktop-webmail": { "2021-03": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-02": "a #1 #2" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2021-12": "n" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2021-12": "n" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2021-12": "y" }, "android": { "2021-12": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. `path()` is not supported.",
        "2": "Partial. [Embedded SVG](/features/html-svg/) is not supported. Referencing an embedded SVG's `<clipPath>` with `url()` does not work.",
        "3": "Partial. Referencing an external SVG's `<clipPath>` with `url()` does not work."
      }
    },

    {
      "slug": "css-color-scheme",
      "title": "color-scheme CSS property",
      "description": "Changes the default colors of HTML elements. Useful for when you want an email to display only in a dark color scheme or only a light scheme, regardless of user settings",
      "url": "https://www.caniemail.com/features/css-color-scheme/",
      "category": "css",
      "tags": [],
      "keywords": "dark mode, light mode",
      "last_test_date": "2023-09-18",
      "test_url": "https://www.caniemail.com/tests/css-color-scheme.html",
      "test_results_url": "",
      "stats": {
        "apple-mail": { "macos": { "16.0": "y #1" }, "ios": { "16.1": "y #1" } },
        "gmail": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "n" },
          "mobile-webmail": { "2023-09": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-12": "u" },
          "ios": { "2022-12": "u" },
          "android": { "2022-12": "u" }
        },
        "outlook": {
          "windows": {
            "2003": "u",
            "2007": "u",
            "2010": "u",
            "2013": "u",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "u" },
          "macos": { "16.73": "n", "16.80": "n" },
          "outlook-com": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "n" }
        },
        "samsung-email": { "android": { "6.1": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "a #2" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "y" }
        },
        "thunderbird": { "macos": { "102.11": "y" } },
        "aol": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "n" }
        },
        "hey": { "desktop-webmail": { "2023-09": "n" } },
        "mail-ru": { "desktop-webmail": { "2023-09": "n" } },
        "fastmail": { "desktop-webmail": { "2023-09": "n" } },
        "laposte": { "desktop-webmail": { "2022-12": "u" } },
        "free-fr": { "desktop-webmail": { "2022-12": "u" } },
        "t-online-de": { "desktop-webmail": { "2023-09": "n" } },
        "gmx": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2022-06": "u" },
          "android": { "2022-06": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2022-06": "u" },
          "android": { "2022-06": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "u" }, "android": { "2022-06": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Works only the html/root element",
        "2": "Buggy. The property is supported but does not work due to a prefix added by the webmail on the rule selector."
      }
    },

    {
      "slug": "css-column-count",
      "title": "column-count",
      "description": "",
      "url": "https://www.caniemail.com/features/css-column-count/",
      "category": "css",
      "tags": [],
      "keywords": "columns",
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-box-model.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/pyPQFHSYLFrhbRShalju0B2fYNwUgLuyKTLx4MLqiw5mE/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-column-layout-properties",
      "title": "css column properties",
      "description": "Support for the `columns` shorthand and longhand properties.",
      "url": "https://www.caniemail.com/features/css-column-layout-properties/",
      "category": "css",
      "tags": [],
      "keywords": "columns, column-count, column-fill, column-gap, column-rule, column-rule-color, column-rule-style, column-rule-width, column-span, column-width",
      "last_test_date": "2022-08-02",
      "test_url": "https://www.caniemail.com/tests/css-column-layout.html",
      "test_results_url": "https://testi.at/proj/E87UgpgtlXxt6Rsx4Ec1pcxm",
      "stats": {
        "apple-mail": { "macos": { "15": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2022-08": "y" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" },
          "mobile-webmail": { "2022-08": "y" }
        },
        "orange": {
          "desktop-webmail": { "2022-08": "u" },
          "ios": { "2022-08": "u" },
          "android": { "2022-08": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2022-08": "n" },
          "macos": { "2022-08": "y", "16.80": "y" },
          "outlook-com": { "2022-08": "y" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "samsung-email": { "android": { "2022-08": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "y" },
          "android": { "2024-03": "y" }
        },
        "thunderbird": { "macos": { "102.7": "y" } },
        "aol": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "n" },
          "android": { "2022-08": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-08": "n", "2023-01": "n" },
          "ios": { "2022-08": "n", "2023-01": "n" },
          "android": { "2022-08": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2023-01": "y" },
          "ios": { "2023-01": "y" },
          "android": { "2023-01": "y" }
        },
        "hey": { "desktop-webmail": { "2023-01": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-08": "y" } },
        "fastmail": { "desktop-webmail": { "2023-01": "y" } },
        "laposte": { "desktop-webmail": { "2022-08": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-comments",
      "title": "CSS comments",
      "description": "Adds explanatory notes to the code or to prevent the browser from interpreting specific parts of the style sheet",
      "url": "https://www.caniemail.com/features/css-comments/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-04-25",
      "test_url": "https://www.caniemail.com/tests/css-comments.html",
      "test_results_url": "https://testi.at/proj/n4ayign05k6cozot6",
      "stats": {
        "apple-mail": { "macos": { "2024-04": "y" }, "ios": { "2024-04": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-04": "y" },
          "ios": { "2024-04": "y" },
          "android": { "2024-04": "a #2" },
          "mobile-webmail": { "2024-04": "a #4" }
        },
        "orange": {
          "desktop-webmail": { "2024-08": "n #6" },
          "ios": { "2024-08": "n #6" },
          "android": { "2024-08": "n #6" }
        },
        "outlook": {
          "windows": { "2013": "y", "2016": "y", "2019": "y", "2021": "y" },
          "windows-mail": { "2024-04": "y" },
          "macos": { "2024-04": "y" },
          "outlook-com": { "2024-04": "y", "2024-01": "y" },
          "ios": { "2024-04": "y" },
          "android": { "2024-04": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-04": "y" },
          "ios": { "2024-04": "a #1" },
          "android": { "2024-04": "a #1" }
        },
        "aol": {
          "desktop-webmail": { "2024-04": "y" },
          "ios": { "2024-04": "a #1" },
          "android": { "2024-04": "a #1" }
        },
        "samsung-email": { "android": { "2024-04": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-08": "a #5" },
          "ios": { "2024-08": "a #5" },
          "android": { "2024-08": "a #5" }
        },
        "thunderbird": { "macos": { "2024-04": "y" } },
        "protonmail": {
          "desktop-webmail": { "2024-04": "u" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "hey": { "desktop-webmail": { "2024-04": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-04": "a #3" } },
        "fastmail": { "desktop-webmail": { "2024-04": "u" } },
        "laposte": { "desktop-webmail": { "2024-08": "a #5" } },
        "gmx": {
          "desktop-webmail": { "2024-04": "n" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-04": "n" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-04": "u" }, "android": { "2024-04": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. The first <head> in the HTML is removed, so comment needs to be in the `<style>` tag of a second `<head>` element.",
        "2": "Partial. `<style>` tag not supported with non-google account. Comment inside `style:` attribute works.",
        "3": "Partial. Comment inside `<style>` tag works. Comment inside `style` attribute strips the whole attribute.",
        "4": "Partial. `<style>` tag not supported. Comment inside `style:` attribute works.",
        "5": "Partial. Comment inside `style` attribute works.",
        "6": "Not supported. The entire rule is removed within a `<style> element. The entire inline `style` attribute is removed."
      }
    },

    {
      "slug": "css-conic-gradient",
      "title": "conic-gradient()",
      "description": "Creates an image consisting of a gradient with color transitions rotated around a center point (rather than radiating from the center).",
      "url": "https://www.caniemail.com/features/css-conic-gradient/",
      "category": "css",
      "tags": [],
      "keywords": "gradients",
      "last_test_date": "2023-01-02",
      "test_url": "https://www.caniemail.com/tests/css-gradients.html",
      "test_results_url": "",
      "stats": {
        "apple-mail": { "macos": { "12": "y" }, "ios": { "14": "y" } },
        "gmail": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" },
          "mobile-webmail": { "2022-12": "n" }
        },
        "orange": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2022-12": "n" },
          "macos": { "2022-12": "y", "16.80": "n" },
          "outlook-com": { "2022-12": "n", "2024-01": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "samsung-email": { "android": { "6.0": "u", "6.1.90.16": "a #1" } },
        "sfr": {
          "desktop-webmail": { "2023-01": "y" },
          "ios": { "2023-01": "y" },
          "android": { "2023-01": "y" }
        },
        "thunderbird": { "macos": { "91.4.1": "y" } },
        "aol": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "y" }
        },
        "hey": { "desktop-webmail": { "2022-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-12": "y" } },
        "fastmail": { "desktop-webmail": { "2022-12": "y" } },
        "laposte": { "desktop-webmail": { "2023-01": "y" } },
        "t-online-de": { "desktop-webmail": { "2023-01": "y" } },
        "free-fr": { "desktop-webmail": { "2023-01": "n" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with Hotmail/Outlook accounts." }
    },

    {
      "slug": "css-direction",
      "title": "direction",
      "description": "Sets the direction of text or table columns.",
      "url": "https://www.caniemail.com/features/css-direction/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": null,
      "last_test_date": "2021-10-05",
      "test_url": "https://www.caniemail.com/tests/css-direction.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/TzLrUhEnTKX7mZ1LTCpvaZ2PNzg4mnsZtoLJi0FVbCSRD/list",
      "stats": {
        "apple-mail": { "macos": { "14": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" },
          "mobile-webmail": { "2021-10": "a #1" }
        },
        "orange": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2021-10": "y" },
          "macos": { "16.55": "y", "16.80": "y" },
          "outlook-com": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "thunderbird": { "macos": { "78.14": "y" } },
        "aol": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "hey": { "desktop-webmail": { "2021-10": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-10": "y" } },
        "laposte": { "desktop-webmail": { "2021-10": "y" } },
        "gmx": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2021-12": "y" }, "android": { "2021-12": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. The client applies an `rtl` direction to the entire email if it contains text in a `rtl` language."
      }
    },

    {
      "slug": "css-display-flex",
      "title": "display:flex",
      "description": "",
      "url": "https://www.caniemail.com/features/css-display-flex/",
      "category": "css",
      "tags": [],
      "keywords": "flexbox",
      "last_test_date": "2021-11-02",
      "test_url": "https://www.caniemail.com/tests/css-flexbox.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Kw9bvIPLsmmwVoXhbXpIu1FM31v4nV2KXMaEvPQPezSO9/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y", "2020-11": "a #1" },
          "android": { "2019-02": "y", "2020-11": "a #1" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2021-11": "n", "2024-04": "n" },
          "android": { "2019-08": "y", "2021-11": "n", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "a", "2020-11": "y" },
          "android": { "2019-02": "a", "2020-11": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n", "2020-11": "y #2" },
          "ios": { "2019-02": "n", "2020-11": "y #2" },
          "android": { "2019-02": "n", "2020-11": "y #2" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n", "2020-11": "y #2" },
          "ios": { "2019-02": "n", "2020-11": "y #2" },
          "android": { "2019-02": "n", "2020-11": "y #2" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported with non Google accounts.",
        "2": "`display:inline-flex` is not supported."
      }
    },

    {
      "slug": "css-display-grid",
      "title": "display:grid",
      "description": "",
      "url": "https://www.caniemail.com/features/css-display-grid/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-box-model.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/pyPQFHSYLFrhbRShalju0B2fYNwUgLuyKTLx4MLqiw5mE/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "n", "2024-01": "y" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-display-none",
      "title": "display:none",
      "description": "",
      "url": "https://www.caniemail.com/features/css-display-none/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-visual-effects.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/DhTRmGsVH6uobU4pHD3CasJywfBL4HnEjA1LOF8f9ctso/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "outlook": {
          "windows": {
            "2007": "a #1 #2",
            "2010": "a #1 #2",
            "2013": "a #1 #2",
            "2016": "a #1 #2",
            "2019": "a #1 #2"
          },
          "windows-mail": { "2019-09": "a #1 #2" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-09": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Does not inherit onto nested `<table>` elements.",
        "2": "Partial. Does not work when applied directly to an `<img>` element."
      }
    },

    {
      "slug": "css-display",
      "title": "display",
      "description": "Sets whether an element is treated as a block or inline element and the layout used for its children.",
      "url": "https://www.caniemail.com/features/css-display/",
      "category": "css",
      "tags": [],
      "keywords": "inline, block, inline-block",
      "last_test_date": "2021-12-01",
      "test_url": "https://www.caniemail.com/tests/css-display.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/eyGBFSORjrHd635gw4udynxX8ykC5bzlMUUrF6yi7Kspu/list",
      "stats": {
        "apple-mail": { "macos": { "15": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "a #1" },
          "android": { "2021-12": "a #1" },
          "mobile-webmail": { "2021-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-12": "a #2 #3" },
          "ios": { "2021-12": "a #2" },
          "android": { "2021-12": "a #2" }
        },
        "outlook": {
          "windows": {
            "2007": "a #4 #5",
            "2010": "a #4 #5",
            "2013": "a #4 #5",
            "2016": "a #4 #5",
            "2019": "a #4 #5"
          },
          "windows-mail": { "2021-12": "a #4 #5" },
          "macos": { "16.56": "y", "16.80": "y" },
          "outlook-com": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "thunderbird": { "macos": { "91.2": "y" } },
        "aol": {
          "desktop-webmail": { "2021-12": "a #6" },
          "ios": { "2021-12": "a #6" },
          "android": { "2021-12": "a #6" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-12": "a #6" },
          "ios": { "2021-12": "a #6" },
          "android": { "2021-12": "a #6" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "hey": { "desktop-webmail": { "2021-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-12": "y" } },
        "fastmail": { "desktop-webmail": { "2021-12": "a #7" } },
        "laposte": { "desktop-webmail": { "2021-12": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "a #2" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "a #2" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. `flex`, `grid`, `flow-root`, `contents`, `inline flow-root`, `inline flex`, `inline grid`, `initial`, `revert`, `unset` are not supported with non Google accounts.",
        "2": "Partial. `inline-flex`, `inline-grid`, `flex`, `grid`, `flow-root`, `contents`, `inline flow-root`, `inline flex`, `inline grid`, `initial`, `revert`, `unset` values are not supported.",
        "3": "Buggy. Only the first value is kept with the two-value syntax.",
        "4": "Buggy. `display:none` does not inherit to inner tables.",
        "5": "Partial. Only supports `display:none` (but not on `<img>`).",
        "6": "Partial. `flow-root`, `inline-flex`, `inline-grid`, `inline flow`, `contents`, `revert` are not supported.",
        "7": "Partial. Two-value syntax are combined into a single one with a dash."
      }
    },

    {
      "slug": "css-empty-cells",
      "title": "empty-cells",
      "description": "Sets whether borders and backgrounds appear around `<table>` cells that have no visible content.",
      "url": "https://www.caniemail.com/features/css-empty-cells/",
      "category": "css",
      "tags": [],
      "keywords": "blank",
      "last_test_date": "2024-08-23",
      "test_url": "https://www.caniemail.com/tests/css-empty-cells.html",
      "test_results_url": "https://testi.at/proj/kgl7t57xs8jxueze0v8",
      "stats": {
        "apple-mail": { "macos": { "2024-08": "y" }, "ios": { "2024-08": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-08": "y" },
          "ios": { "2024-08": "y" },
          "android": { "2024-08": "y" },
          "mobile-webmail": { "2024-08": "u" }
        },
        "orange": {
          "desktop-webmail": { "2024-08": "u" },
          "ios": { "2024-08": "u" },
          "android": { "2024-08": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-08": "n" },
          "macos": { "2024-08": "y" },
          "outlook-com": { "2024-08": "y" },
          "ios": { "2024-08": "y" },
          "android": { "2024-08": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-08": "y" },
          "ios": { "2024-08": "n" },
          "android": { "2024-08": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-08": "y" },
          "ios": { "2024-08": "n" },
          "android": { "2024-08": "n" }
        },
        "samsung-email": { "android": { "2024-08": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "u" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "protonmail": {
          "desktop-webmail": { "2024-08": "u" },
          "ios": { "2024-08": "u" },
          "android": { "2024-08": "u" }
        },
        "hey": { "desktop-webmail": { "2024-08": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-08": "n" } },
        "fastmail": { "desktop-webmail": { "2024-08": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-filter",
      "title": "filter",
      "description": "Tests with values `blur`, `brightness`, `grayscale`, `hue-rotate`, `invert`, `opacity`, `saturate`, `sepia` and `shadow`.",
      "url": "https://www.caniemail.com/features/css-filter/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-01-03",
      "test_url": "https://www.caniemail.com/tests/css-visual-effects.html",
      "test_results_url": "https://testi.at/proj/73yrcloa1z681dkzu6",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "n" },
          "outlook-com": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2024-01": "a #1" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Multiple values don't work." }
    },

    {
      "slug": "css-flex-direction",
      "title": "flex-direction:column",
      "description": "",
      "url": "https://www.caniemail.com/features/css-flex-direction/",
      "category": "css",
      "tags": [],
      "keywords": "flexbox",
      "last_test_date": "2023-01-17",
      "test_url": "https://www.caniemail.com/tests/css-box-model.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/pyPQFHSYLFrhbRShalju0B2fYNwUgLuyKTLx4MLqiw5mE/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n", "2023-01": "n" },
          "ios": { "2019-02": "n", "2023-01": "n" },
          "android": { "2019-02": "n", "2023-01": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "n", "2023-01": "y" },
          "ios": { "2019-02": "n", "2023-01": "y" },
          "android": { "2019-02": "n", "2023-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-flex-wrap",
      "title": "flex-wrap: wrap",
      "description": "",
      "url": "https://www.caniemail.com/features/css-flex-wrap/",
      "category": "css",
      "tags": [],
      "keywords": "flexbox",
      "last_test_date": "2023-01-16",
      "test_url": "https://www.caniemail.com/tests/css-box-model.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/pyPQFHSYLFrhbRShalju0B2fYNwUgLuyKTLx4MLqiw5mE/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n", "2023-01": "n" },
          "ios": { "2019-02": "n", "2023-01": "n" },
          "android": { "2019-02": "n", "2023-01": "n" },
          "mobile-webmail": { "2020-02": "n", "2023-01": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "n", "2023-01": "y" },
          "ios": { "2019-02": "n", "2023-01": "y" },
          "android": { "2019-02": "n", "2023-01": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n", "2023-01": "n" },
          "ios": { "2019-02": "n", "2023-01": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "thunderbird": { "macos": { "60.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-float",
      "title": "float",
      "description": "",
      "url": "https://www.caniemail.com/features/css-float/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-05-08",
      "test_url": "https://www.caniemail.com/tests/css-box-model.html",
      "test_results_url": "https://testi.at/proj/gyjkc98dtyzxfd3bhz",
      "stats": {
        "apple-mail": {
          "macos": { "11.7": "a #2", "12.4": "y" },
          "ios": { "14": "a #2", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y", "2024-05": "a #2" },
          "android": { "2019-02": "y", "2024-05": "a #2" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "outlook": {
          "windows": {
            "2007": "n #1",
            "2010": "n #1",
            "2013": "n #1",
            "2016": "n #1",
            "2019": "n #1"
          },
          "windows-mail": { "2019-02": "n #1" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y", "2024-05": "a #2" },
          "ios": { "2019-02": "y", "2024-05": "a #2" },
          "android": { "2019-02": "n", "2023-01": "y", "2024-05": "a #2" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y", "2024-05": "a #2" },
          "ios": { "2019-02": "y", "2024-05": "a #2" },
          "android": { "2019-02": "y", "2024-05": "a #2" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y", "2024-05": "a #2" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y", "2024-05": "a #2" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported. `table` and `img` elements can use an `align` attribute to get a similar effect.",
        "2": "Partial. Logical property values `inline-start` and `inline-end` are not supported."
      }
    },

    {
      "slug": "css-font-kerning",
      "title": "font-kerning",
      "description": "",
      "url": "https://www.caniemail.com/features/css-font-kerning/",
      "category": "css",
      "tags": [],
      "keywords": "font,kerning",
      "last_test_date": "2022-08-01",
      "test_url": "https://www.caniemail.com/tests/css-font-kerning.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/RlRYNGDjVNBhofxCNxloUcRbUVWGDhJ2kZ4fy6HXpEatH/list",
      "stats": {
        "apple-mail": {
          "macos": { "11": "y", "12": "y", "13": "y", "14": "y", "15": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-08": "y" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" },
          "mobile-webmail": { "2022-08": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "macos": { "2022-08": "y", "16.80": "y" },
          "outlook-com": { "2022-08": "y" },
          "ios": { "2022-08": "y" },
          "android": { "4.2101.1": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-08": "n", "2024-03": "n" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" }
        },
        "aol": { "desktop-webmail": { "2022-08": "n" } },
        "samsung-email": { "android": { "6.1.31.2": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-08": "n" } },
        "free-fr": { "desktop-webmail": { "2022-08": "y" } },
        "gmx": { "desktop-webmail": { "2022-08": "n" } },
        "t-online-de": { "desktop-webmail": { "2022-08": "n" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-font-size",
      "title": "font-size",
      "description": "Sets the size of the font.",
      "url": "https://www.caniemail.com/features/css-font-size/",
      "category": "css",
      "tags": [],
      "keywords": "font,size",
      "last_test_date": "2024-02-28",
      "test_url": "https://www.caniemail.com/tests/css-font-size.html",
      "test_results_url": "https://testi.at/proj/vr3ai85bunngsxjjfd2",
      "stats": {
        "apple-mail": {
          "macos": { "11": "y", "12": "y", "13": "y", "14": "y", "15": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2024-02": "y" },
          "ios": { "2024-02": "y" },
          "android": { "2024-02": "y" },
          "mobile-webmail": { "2024-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2024-02": "u" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "outlook": {
          "windows": { "2013": "a #1", "2016": "a #1", "2019": "a #1", "2021": "a #1" },
          "windows-mail": { "2024-02": "a #2" },
          "macos": { "2024-02": "y" },
          "outlook-com": { "2024-02": "y" },
          "ios": { "2024-02": "y" },
          "android": { "2024-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-02": "a #1" },
          "ios": { "2024-02": "a #1" },
          "android": { "2024-02": "a #1" }
        },
        "aol": {
          "desktop-webmail": { "2024-02": "a #1" },
          "ios": { "2024-02": "a #1" },
          "android": { "2024-02": "a #1" }
        },
        "samsung-email": { "android": { "2024-02": "a #2" } },
        "sfr": {
          "desktop-webmail": { "2024-02": "u" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "thunderbird": { "macos": { "2024-02": "y" } },
        "protonmail": {
          "desktop-webmail": { "2024-02": "u" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "hey": { "desktop-webmail": { "2024-02": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-02": "y" } },
        "fastmail": { "desktop-webmail": { "2024-02": "u" } },
        "laposte": { "desktop-webmail": { "2024-02": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-02": "a #1" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-02": "a #1" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-02": "u" }, "android": { "2024-02": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial support. `rem` values are not supported.",
        "2": "Partial support. `relative` and `percentage` size values not supported."
      }
    },

    {
      "slug": "css-font-stretch",
      "title": "font-stretch",
      "description": "Selecting different font widths (e.g. condensed, expanded)",
      "url": "https://www.caniemail.com/features/css-font-stretch/",
      "category": "css",
      "tags": [],
      "keywords": "font",
      "last_test_date": "2023-09-23",
      "test_url": "https://www.caniemail.com/tests/css-font-stretch.html",
      "test_results_url": "",
      "stats": {
        "apple-mail": { "macos": { "16": "y" }, "ios": { "16": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-09": "y #1" },
          "ios": { "2023-09": "y" },
          "android": { "2024-03": "n" },
          "mobile-webmail": { "2023-09": "y #1" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "macos": { "2023-09": "y", "16.80": "y" },
          "outlook-com": { "2023-09": "y #1" },
          "ios": { "2023-09": "y" },
          "android": { "2024-03": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2024-03": "n" }
        },
        "aol": { "desktop-webmail": { "2023-09": "n" }, "ios": { "2023-09": "n" } },
        "protonmail": {
          "desktop-webmail": { "2023-09": "y #1" },
          "ios": { "2023-09": "y" },
          "android": { "2022-12": "u" }
        },
        "thunderbird": { "macos": { "2023-09": "y" } },
        "samsung-email": { "android": { "6.1.31.2": "u", "6.1.90.16": "n" } },
        "mail-ru": { "desktop-webmail": { "2024-01": "y" } },
        "free-fr": { "desktop-webmail": { "2022-08": "u" } },
        "gmx": { "desktop-webmail": { "2022-08": "u" } },
        "t-online-de": { "desktop-webmail": { "2022-08": "u" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "y" },
          "android": { "2024-03": "n" }
        }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Depends on the browser. There is currently a bug in Chrome/Edge where font-stretch does not work for variable fonts."
      }
    },

    {
      "slug": "css-font-weight",
      "title": "font-weight",
      "description": "",
      "url": "https://www.caniemail.com/features/css-font-weight/",
      "category": "css",
      "tags": [],
      "keywords": "font,weight",
      "last_test_date": "2022-06-23",
      "test_url": "https://www.caniemail.com/tests/css-font-weight.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/n4Dj7AQAtcFsJEgkLoSucoofVEvWrmqTqsO5pev2ew8XN/list",
      "stats": {
        "apple-mail": {
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          "ios": { "11": "y", "12": "y", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2021-01": "y", "2022-06": "y" },
          "ios": { "2021-01": "y", "2022-06": "y" },
          "android": { "2021-01": "y", "2022-06": "y" },
          "mobile-webmail": { "2021-01": "y", "2022-06": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-01": "y", "2021-03": "a #1", "2024-04": "a #1" },
          "ios": { "2021-01": "y", "2024-04": "y" },
          "android": { "2021-01": "y", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2007": "a #2",
            "2010": "a #2",
            "2013": "a #2",
            "2016": "a #2",
            "2019": "a #2"
          },
          "windows-mail": { "2021-01": "a #2" },
          "macos": { "2021-01": "y", "16.80": "y" },
          "outlook-com": { "2021-01": "y" },
          "ios": { "2021-01": "y" },
          "android": { "4.2101.1": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-01": "a #1" },
          "ios": { "6.21.1": "a #1" },
          "android": { "6.16.2.1525679": "a #1" }
        },
        "aol": {
          "desktop-webmail": { "2021-01": "a #1", "2022-06": "a #1" },
          "ios": { "2021-01": "a #1" },
          "android": { "2021-01": "a #1" }
        },
        "samsung-email": { "android": { "6.1.31.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-01": "y" },
          "ios": { "2021-01": "y" },
          "android": { "2021-01": "y" }
        },
        "thunderbird": { "macos": { "2021-01": "y" } },
        "protonmail": {
          "desktop-webmail": { "2021-01": "y" },
          "ios": { "2021-01": "y" },
          "android": { "2021-01": "y" }
        },
        "hey": { "desktop-webmail": { "2021-01": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-01": "y", "2022-06": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial support. `<number>` values are not supported as per CSS Fonts Level 4 where any `<number>` value between 1 and 1000 (inclusive) is a valid value. Only the following numeric values are supported: 100, 200, 300, 400, 500, 600, 700, 800, and 900.",
        "2": "Partial support. `<number>` values between 0 and 599 are set as normal font weight. `<number>` values between 600 and 1000 are set as bold font weight."
      }
    },

    {
      "slug": "css-font",
      "title": "font shorthand",
      "description": "",
      "url": "https://www.caniemail.com/features/css-font/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-text.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/DkqbHs69ek5UnK6uhZ7Uj0n5GVQNTP4Z1FvgXvnKyEoTM/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
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          "ios": { "2019-02": "a #1", "2020-12": "y" },
          "android": { "2019-02": "a #1", "2020-12": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "y", "2021-03": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2019-02": "y" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "68.4": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "css-function-clamp",
      "title": "clamp()",
      "description": "Support for the CSS `clamp()` function.",
      "url": "https://www.caniemail.com/features/css-function-clamp/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-05-07",
      "test_url": "https://www.caniemail.com/tests/css-clamp.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/zSEJIfc49LeYUVU5ncqsWBDRRTZlqq01sYRUSICWOs74Y/list",
      "stats": {
        "apple-mail": { "macos": { "13": "n", "14.0": "y" }, "ios": { "13": "n", "14.5": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "a #1" },
          "android": { "2021-05": "a #1" },
          "mobile-webmail": { "2021-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2021-05": "n" },
          "macos": { "2011": "n", "2016": "n", "16.80": "n" },
          "outlook-com": { "2021-05": "n", "2023-12": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "n" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "hey": { "desktop-webmail": { "2021-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "css-function-light-dark",
      "title": "light-dark()",
      "description": "Enables setting two colors (one for light and the other for dark mode) for a property.",
      "url": "https://www.caniemail.com/features/css-function-light-dark/",
      "category": "css",
      "tags": [],
      "keywords": "dark, light",
      "last_test_date": "2024-08-14",
      "test_url": "https://www.caniemail.com/tests/css-function-light-dark.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Lai13xyIE95H6jo1BBs6ay0f3RvJdPL344S3j3M7FbeU4/list",
      "stats": {
        "apple-mail": { "macos": { "16.0": "y #1" }, "ios": { "17.5.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-08": "n" },
          "ios": { "2024-08": "n" },
          "android": { "2024-08": "n" },
          "mobile-webmail": { "2024-08": "n" }
        },
        "orange": {
          "desktop-webmail": { "2024-08": "n" },
          "ios": { "2024-08": "n" },
          "android": { "2024-08": "u" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2024-08": "n" },
          "macos": { "16.88": "n" },
          "outlook-com": { "2024-08": "n" },
          "ios": { "2024-08": "n" },
          "android": { "2024-08": "u" }
        },
        "samsung-email": { "android": { "6.0": "u" } },
        "sfr": {
          "desktop-webmail": { "2024-08": "a #2" },
          "ios": { "2024-08": "a #1 #2" },
          "android": { "2024-08": "u" }
        },
        "thunderbird": { "macos": { "115.10.1": "n", "128.1.0": "y" } },
        "aol": {
          "desktop-webmail": { "2024-08": "n" },
          "ios": { "2024-08": "n" },
          "android": { "2024-08": "u" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-08": "n" },
          "ios": { "2024-08": "n" },
          "android": { "2024-08": "u" }
        },
        "protonmail": {
          "desktop-webmail": { "2024-08": "a #2" },
          "ios": { "2024-08": "y #1" },
          "android": { "2024-08": "u" }
        },
        "hey": { "desktop-webmail": { "2024-08": "a #2" } },
        "mail-ru": { "desktop-webmail": { "2024-08": "a #2" } },
        "fastmail": { "desktop-webmail": { "2024-08": "u" } },
        "laposte": { "desktop-webmail": { "2024-08": "a #2" } },
        "free-fr": { "desktop-webmail": { "2024-08": "n" } },
        "t-online-de": { "desktop-webmail": { "2024-08": "a #2" } },
        "gmx": { "desktop-webmail": { "2024-08": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Only supported if you’ve updated your OS with Safari 17.5 or later.",
        "2": "Buggy. The function is supported but the color stays light even in dark mode."
      }
    },

    {
      "slug": "css-function-max",
      "title": "max()",
      "description": "Support for the CSS `max()` function.",
      "url": "https://www.caniemail.com/features/css-function-max/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-05-07",
      "test_url": "https://www.caniemail.com/tests/css-clamp.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/zSEJIfc49LeYUVU5ncqsWBDRRTZlqq01sYRUSICWOs74Y/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y", "14.0": "y" }, "ios": { "13": "y", "14.5": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "a #1" },
          "android": { "2021-05": "a #1" },
          "mobile-webmail": { "2021-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2021-05": "n" },
          "macos": { "2011": "n", "2016": "y", "16.80": "n" },
          "outlook-com": { "2021-05": "n", "2023-12": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "n" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "hey": { "desktop-webmail": { "2021-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "css-function-min",
      "title": "min()",
      "description": "Support for the CSS `min()` function.",
      "url": "https://www.caniemail.com/features/css-function-min/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-05-07",
      "test_url": "https://www.caniemail.com/tests/css-clamp.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/zSEJIfc49LeYUVU5ncqsWBDRRTZlqq01sYRUSICWOs74Y/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y", "14.0": "y" }, "ios": { "13": "y", "14.5": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "a #1" },
          "android": { "2021-05": "a #1" },
          "mobile-webmail": { "2021-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2021-05": "n" },
          "macos": { "2011": "n", "2016": "y", "16.80": "n" },
          "outlook-com": { "2021-05": "n", "2023-12": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "n" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "hey": { "desktop-webmail": { "2021-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "css-gap",
      "title": "gap, column-gap, row-gap",
      "description": "Properties for adding spacing between grid items, flex items and columns",
      "url": "https://www.caniemail.com/features/css-gap/",
      "category": "css",
      "tags": [],
      "keywords": "gap",
      "last_test_date": "2022-12-28",
      "test_url": "https://www.caniemail.com/tests/css-gap.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/OAnjtSK1hEGcC3V9Q30mzIU8xKXIqwNq0M4lZywGOhQIn/list",
      "stats": {
        "apple-mail": { "macos": { "13.1": "y" }, "ios": { "16.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2022-12": "a #1" },
          "ios": { "2022-12": "a #1" },
          "android": { "2022-12": "a #1" },
          "mobile-webmail": { "2022-12": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2022-12": "n" },
          "macos": { "2022-12": "y", "16.80": "a #1" },
          "outlook-com": { "2022-12": "a #1", "2023-12": "a #1" },
          "ios": { "2022-12": "a #1" },
          "android": { "2022-12": "a #1" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "aol": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "samsung-email": { "android": { "6.1": "y" } },
        "sfr": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "y" }
        },
        "thunderbird": { "macos": { "102.6.1": "y" } },
        "protonmail": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "y" }
        },
        "hey": { "desktop-webmail": { "2022-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-12": "y" } },
        "fastmail": { "desktop-webmail": { "2022-12": "a #2" } },
        "laposte": { "desktop-webmail": { "2022-12": "y" } },
        "free-fr": { "desktop-webmail": { "2022-12": "y" } },
        "gmx": { "desktop-webmail": { "2022-12": "n" } },
        "t-online-de": { "desktop-webmail": { "2022-12": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Supports column-gap for flexbox.",
        "2": "Partial. Supports gap and column-gap for flexbox. Supports gap for multi-column layout (i.e. in conjunction with CSS column-count property)"
      }
    },

    {
      "slug": "css-grid-template",
      "title": "grid-template-* properties",
      "description": "This page reflects support for `grid-template`, `grid-template-areas`, `grid-template-columns`, `grid-template-rows`.",
      "url": "https://www.caniemail.com/features/css-grid-template/",
      "category": "css",
      "tags": [],
      "keywords": "grid-template, grid-template-areas, grid-template-columns, grid-template-rows",
      "last_test_date": "2023-01-09",
      "test_url": "https://www.caniemail.com/tests/css-grid-properties.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MBJ7UfOQ1sVRvPBJNsWByvymNSwrIhi2drpCo4gTw0oM0/list",
      "stats": {
        "apple-mail": { "macos": { "13.1": "y" }, "ios": { "16.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" },
          "mobile-webmail": { "2023-01": "n" }
        },
        "orange": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2023-01": "n" },
          "macos": { "2023-01": "y", "16.80": "n" },
          "outlook-com": { "2023-01": "n", "2023-12": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "aol": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "samsung-email": { "android": { "6.1.74.5": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-01": "y" },
          "ios": { "2023-01": "y" },
          "android": { "2023-01": "y" }
        },
        "thunderbird": { "macos": { "102.6": "y" } },
        "protonmail": {
          "desktop-webmail": { "2023-01": "y" },
          "ios": { "2023-01": "y" },
          "android": { "2023-01": "y" }
        },
        "hey": { "desktop-webmail": { "2023-01": "y" } },
        "mail-ru": { "desktop-webmail": { "2023-01": "y" } },
        "fastmail": { "desktop-webmail": { "2023-01": "n" } },
        "laposte": { "desktop-webmail": { "2023-01": "y" } },
        "free-fr": { "desktop-webmail": { "2023-01": "y" } },
        "t-online-de": { "desktop-webmail": { "2023-01": "y" } },
        "gmx": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "u" },
          "android": { "2023-01": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2023-01": "u" },
          "ios": { "2023-01": "u" },
          "android": { "2023-01": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2023-01": "u" }, "android": { "2023-01": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-height",
      "title": "height property",
      "description": null,
      "url": "https://www.caniemail.com/features/css-height/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-09-27",
      "test_url": "https://www.caniemail.com/tests/css-width-height.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/UhsQmS14DHKFfotKEcCTnWaoAiS24FJMiApZ1OtmHR7vs/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.4": "y" } },
        "gmail": {
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          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-09": "y", "2021-03": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "a #2",
            "2010": "a #2",
            "2013": "a #2",
            "2016": "a #2",
            "2019": "a #2"
          },
          "windows-mail": { "2019-09": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2023-12": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-09": "y #1" },
          "ios": { "2019-09": "y #1" },
          "android": { "2019-09": "y #1" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-09": "n #1" },
          "ios": { "2019-09": "n #1" },
          "android": { "2019-09": "n #1" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
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        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. Replaces `height` by `min-height`.",
        "2": "Partial. Not supported on `<body>`, `<span>`, `<div>` or `<p>` elements."
      }
    },

    {
      "slug": "css-hyphenate-character",
      "title": "hyphenate-character",
      "description": "Sets the character (or string) used at the end of a line before a hyphenation break.",
      "url": "https://www.caniemail.com/features/css-hyphenate-character/",
      "category": "css",
      "tags": [],
      "keywords": "hyphens, break",
      "last_test_date": "2024-06-19",
      "test_url": "https://www.caniemail.com/tests/css-hyphenate-character.html",
      "test_results_url": "https://testi.at/proj/vr3e1e5bikda08oxc2",
      "stats": {
        "apple-mail": {
          "macos": { "20": "n", "21": "n", "22": "n", "23": "y" },
          "ios": { "11": "n", "12": "n", "13": "n", "14": "n", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2024-06": "n" },
          "ios": { "2024-06": "n" },
          "android": { "2024-06": "n" },
          "mobile-webmail": { "2024-06": "n" }
        },
        "orange": {
          "desktop-webmail": { "2024-06": "u" },
          "ios": { "2024-06": "u" },
          "android": { "2024-06": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-06": "n" },
          "macos": { "2024-06": "n" },
          "outlook-com": { "2024-06": "n" },
          "ios": { "2024-06": "n" },
          "android": { "2024-06": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-06": "n" },
          "ios": { "2024-06": "n" },
          "android": { "2024-06": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-06": "n" },
          "ios": { "2024-06": "n" },
          "android": { "2024-06": "n" }
        },
        "samsung-email": { "android": { "2024-06": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "u" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "protonmail": {
          "desktop-webmail": { "2024-06": "u" },
          "ios": { "2024-06": "u" },
          "android": { "2024-06": "u" }
        },
        "hey": { "desktop-webmail": { "2024-06": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-06": "a #1" } },
        "fastmail": { "desktop-webmail": { "2024-06": "u" } },
        "laposte": { "desktop-webmail": { "2024-06": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-06": "n" },
          "ios": { "2024-06": "u" },
          "android": { "2024-06": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-06": "n" },
          "ios": { "2024-06": "u" },
          "android": { "2024-06": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-06": "u" }, "android": { "2024-06": "u" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Does not support encoded character values" }
    },

    {
      "slug": "css-hyphenate-limit-chars",
      "title": "hyphenate-limit-chars",
      "description": "Specifies the minimum word length to allow hyphenation of words as well as the minimum number of characters before and after the hyphen.",
      "url": "https://www.caniemail.com/features/css-hyphenate-limit-chars/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-08-08",
      "test_url": "https://www.caniemail.com/tests/css-hyphenate-limit-chars.html",
      "test_results_url": "https://testi.at/proj/kgljcojhdyrfdv5s2",
      "stats": {
        "apple-mail": { "macos": { "2024-08": "n" }, "ios": { "2024-08": "n" } },
        "gmail": {
          "desktop-webmail": { "2024-08": "n" },
          "ios": { "2024-08": "n" },
          "android": { "2024-08": "n" },
          "mobile-webmail": { "2024-08": "n" }
        },
        "orange": {
          "desktop-webmail": { "2024-08": "u" },
          "ios": { "2024-08": "u" },
          "android": { "2024-08": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-08": "n" },
          "macos": { "2024-08": "n" },
          "outlook-com": { "2024-08": "n" },
          "ios": { "2024-08": "n" },
          "android": { "2024-08": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-08": "n" },
          "ios": { "2024-08": "n" },
          "android": { "2024-08": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-08": "n" },
          "ios": { "2024-08": "n" },
          "android": { "2024-08": "n" }
        },
        "samsung-email": { "android": { "2024-08": "n" } },
        "sfr": {
          "desktop-webmail": { "2024-08": "u" },
          "ios": { "2024-08": "u" },
          "android": { "2024-08": "u" }
        },
        "thunderbird": { "macos": { "2024-08": "n" } },
        "protonmail": {
          "desktop-webmail": { "2024-08": "u" },
          "ios": { "2024-08": "u" },
          "android": { "2024-08": "u" }
        },
        "hey": { "desktop-webmail": { "2024-08": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-08": "y" } },
        "fastmail": { "desktop-webmail": { "2024-08": "u" } },
        "laposte": { "desktop-webmail": { "2024-08": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-08": "n" },
          "ios": { "2024-08": "u" },
          "android": { "2024-08": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-08": "n" },
          "ios": { "2024-08": "u" },
          "android": { "2024-08": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-08": "u" }, "android": { "2024-08": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-hyphens",
      "title": "hyphens",
      "description": "",
      "url": "https://www.caniemail.com/features/css-hyphens/",
      "category": "css",
      "tags": [],
      "keywords": "hyphens, break",
      "last_test_date": "2022-08-03",
      "test_url": "https://www.caniemail.com/tests/css-hyphen.html",
      "test_results_url": "https://testi.at/proj/rvEUZkBsPVNSbRohvoRigyRiM",
      "stats": {
        "apple-mail": {
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          "ios": { "11": "y", "12": "y", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "n" },
          "android": { "2022-08": "n" },
          "mobile-webmail": { "2022-08": "u" }
        },
        "orange": {
          "desktop-webmail": { "2022-08": "u" },
          "ios": { "2022-08": "u" },
          "android": { "2022-08": "u" }
        },
        "outlook": {
          "windows": {
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n",
            "2021": "n"
          },
          "windows-mail": { "2022-08": "n" },
          "macos": { "2022-08": "y", "16.80": "n" },
          "outlook-com": { "2022-08": "n", "2023-12": "n" },
          "ios": { "2022-08": "n" },
          "android": { "2022-08": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "n" },
          "android": { "2022-08": "n" }
        },
        "aol": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "u" },
          "android": { "2022-08": "u" }
        },
        "samsung-email": { "android": { "2022-08": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "y" },
          "android": { "2024-03": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-08": "u" },
          "ios": { "2022-08": "u" },
          "android": { "2022-08": "u" }
        },
        "hey": { "desktop-webmail": { "2022-08": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-08": "y" } },
        "fastmail": { "desktop-webmail": { "2022-08": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-important",
      "title": "!important keyword",
      "description": "An `!important` declaration takes precedence over a normal declaration.",
      "url": "https://www.caniemail.com/features/css-important/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-11-30",
      "test_url": "https://www.caniemail.com/tests/css-important.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/JEyxyPfKHFZCPKxlgiOugpH4lyNrXX39cd9M8xaW1DojH/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y", "15": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-11": "a #1" },
          "ios": { "2021-11": "a #1 #2" },
          "android": { "2021-11": "a #1 #2" },
          "mobile-webmail": { "2021-11": "a #1 #2" }
        },
        "orange": {
          "desktop-webmail": { "2021-11": "n #3" },
          "ios": { "2021-11": "n #3" },
          "android": { "2021-11": "n #3" }
        },
        "outlook": {
          "windows": {
            "2007": "a #4 #5",
            "2010": "a #4 #5",
            "2013": "a #4 #5",
            "2016": "a #4 #5",
            "2019": "a #4 #5"
          },
          "windows-mail": { "2021-11": "a #4" },
          "macos": { "16.56": "y", "16.80": "y" },
          "outlook-com": { "2021-11": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "samsung-email": { "android": { "7.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "a #6" },
          "android": { "2021-11": "a #6" }
        },
        "thunderbird": { "macos": { "91.2.1": "y" } },
        "aol": {
          "desktop-webmail": { "2021-11": "a #7" },
          "ios": { "2021-11": "a #7" },
          "android": { "2021-11": "a #7" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-11": "a #7" },
          "ios": { "2021-11": "a #7" },
          "android": { "2021-11": "a #7" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-11": "a #8" },
          "ios": { "2021-11": "a #6" },
          "android": { "2021-11": "a #6" }
        },
        "hey": { "desktop-webmail": { "2021-11": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-11": "y" } },
        "fastmail": { "desktop-webmail": { "2021-11": "y" } },
        "laposte": { "desktop-webmail": { "2021-11": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } },
        "wp-pl": { "desktop-webmail": { "2023-12": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Only supported in lowercase. (See [email-bugs#13](https://github.com/hteumeuleu/email-bugs/issues/13))",
        "2": "Partial. Only supported inline when using a Non Gmail Account due to the lack of `<style>` support.",
        "3": "Not supported. The entire declaration is removed if there is no space before `!important`.",
        "4": "Partial. Only supported with a space before.",
        "5": "Partial. Not supported inline. (See [email-bugs#31](https://github.com/hteumeuleu/email-bugs/issues/31))",
        "6": "Partial. Only supported inline due to the lack of `<style>` support.",
        "7": "Partial. Removed if there is no space before when used with a `background-image` property. (See [email-bugs#16](https://github.com/hteumeuleu/email-bugs/issues/16))",
        "8": "Partial. Only supported in lowercase."
      }
    },

    {
      "slug": "css-inline-size",
      "title": "inline-size ",
      "description": "",
      "url": "https://www.caniemail.com/features/css-inline-size/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-box-model.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/pyPQFHSYLFrhbRShalju0B2fYNwUgLuyKTLx4MLqiw5mE/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "n" }, "ios": { "12.1": "n" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "n", "16.80": "n" },
          "outlook-com": { "2019-02": "n", "2023-12": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-inset",
      "title": "inset",
      "description": "Shorthand that corresponds to the `top`, `right`, `bottom`, and/or `left` properties",
      "url": "https://www.caniemail.com/features/css-inset/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-05-29",
      "test_url": "https://www.caniemail.com/tests/css-inset.html",
      "test_results_url": "https://testi.at/proj/rlpdia3k18jytjx8c2",
      "stats": {
        "apple-mail": { "macos": { "10.15": "n", "11.7": "y" }, "ios": { "14": "n", "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-05": "n" },
          "ios": { "2024-05": "n" },
          "android": { "2024-05": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "outlook": {
          "windows": { "2024-05": "n" },
          "windows-mail": { "2024-05": "n" },
          "macos": { "2024-05": "n" },
          "outlook-com": { "2024-05": "n" },
          "ios": { "2024-05": "n" },
          "android": { "2024-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-05": "n" },
          "ios": { "2024-05": "n" },
          "android": { "2024-05": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-05": "n" },
          "ios": { "2024-05": "n" },
          "android": { "2024-05": "n" }
        },
        "samsung-email": { "android": { "2024-05": "n" } },
        "sfr": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "thunderbird": { "macos": { "2024-05": "y" } },
        "protonmail": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "hey": { "desktop-webmail": { "2024-05": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-05": "n" } },
        "fastmail": { "desktop-webmail": { "2024-05": "u" } },
        "laposte": { "desktop-webmail": { "2021-08": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-05": "n" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-05": "n" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-05": "u" }, "android": { "2024-05": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-intrinsic-size",
      "title": "fit-content, min-content, max-content",
      "description": "Sets the height or width relative to its content.",
      "url": "https://www.caniemail.com/features/css-intrinsic-size/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2022-12-31",
      "test_url": "https://www.caniemail.com/tests/css-intrinsic-size.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/tcE2poX3tOf6HlwmIH6GQqveQN6SwMrsqCp4ylpkFVc3W/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y #2" }, "ios": { "12.1": "y #2" } },
        "gmail": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "a #3" },
          "android": { "2022-12": "y" },
          "mobile-webmail": { "2022-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2022-12": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2022-12": "n" },
          "macos": { "2022-12": "y", "16.80": "y" },
          "outlook-com": { "2022-12": "y", "2023-12": "y" },
          "ios": { "2022-12": "a #1" },
          "android": { "2022-12": "a #1" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "aol": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "samsung-email": { "android": { "6.1": "n" } },
        "sfr": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "y" }
        },
        "thunderbird": { "macos": { "102.6": "y" } },
        "protonmail": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y #2" },
          "android": { "2022-12": "y" }
        },
        "hey": { "desktop-webmail": { "2022-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-12": "y" } },
        "fastmail": { "desktop-webmail": { "2022-12": "y" } },
        "laposte": { "desktop-webmail": { "2022-12": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Supports `min-content` and `fit-content` only.",
        "2": "Buggy. `width: min-content` acts as if `word-break: break-all` had been set on the element.",
        "3": "Partial. Not supported with non Google accounts."
      }
    },

    {
      "slug": "css-justify-content",
      "title": "justify-content",
      "description": "",
      "url": "https://www.caniemail.com/features/css-justify-content/",
      "category": "css",
      "tags": [],
      "keywords": "justify,align,flexbox,grid",
      "last_test_date": "2021-03-09",
      "test_url": "https://www.caniemail.com/tests/css-justify-content.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xzDNNDwodl8rMxtm0irAH2Y4XVYRhz2GOzStUxrTVFgog/list",
      "stats": {
        "apple-mail": {
          "macos": { "11": "y", "12": "y", "13": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2020-12": "n" },
          "ios": { "2020-12": "n" },
          "android": { "2020-12": "n" },
          "mobile-webmail": { "2020-12": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-02": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2021-03": "y", "2024-04": "n" },
          "android": { "2021-03": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-12": "n" },
          "macos": { "2020-12": "y", "16.80": "y" },
          "outlook-com": { "2020-12": "n", "2023-01": "y", "2023-12": "y" },
          "ios": { "2020-12": "n", "2023-01": "y" },
          "android": { "2020-12": "n", "2023-01": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-12": "n" },
          "ios": { "2021-03": "n" },
          "android": { "6.16.2.1519779": "n" }
        },
        "aol": {
          "desktop-webmail": { "2020-12": "n" },
          "ios": { "2021-03": "n" },
          "android": { "2021-03": "n" }
        },
        "samsung-email": { "android": { "6.1.31.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-03": "y" },
          "ios": { "2021-03": "y" },
          "android": { "2021-03": "y" }
        },
        "thunderbird": { "macos": { "2020-12": "y" } },
        "protonmail": {
          "desktop-webmail": { "2021-03": "y" },
          "ios": { "2021-03": "y" },
          "android": { "2021-03": "y" }
        },
        "hey": { "desktop-webmail": { "2021-03": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-12": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {}
    },

    {
      "slug": "css-left-right-top-bottom",
      "title": "left, right, top, bottom",
      "description": "",
      "url": "https://www.caniemail.com/features/css-left-right-top-bottom/",
      "category": "css",
      "tags": [],
      "keywords": "absolute, sticky, fixed, relative, position",
      "last_test_date": "2021-05-16",
      "test_url": "https://www.caniemail.com/tests/css-positioning.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/E45AW3a9IiIhUSBpv3dc1qPfMiMN8mLepy5BsvqtpXhhy/list",
      "stats": {
        "apple-mail": { "macos": { "14": "y" }, "ios": { "14.5": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" },
          "mobile-webmail": { "2021-05": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2021-05": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2021-05": "y", "2023-12": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "hey": { "desktop-webmail": { "2021-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "a #1" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. `left` and `top` are not supported." }
    },

    {
      "slug": "css-letter-spacing",
      "title": "letter-spacing",
      "description": "",
      "url": "https://www.caniemail.com/features/css-letter-spacing/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-01-19",
      "test_url": "https://www.caniemail.com/tests/css-text.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/VfcyPsGJhy1PhKyxvuo0oXGz0tPdMLjc7tI37nGIW8HWu/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "y", "2021-03": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "a #1 #2",
            "2010": "a #1 #2",
            "2013": "a #1 #2",
            "2016": "a #1 #2",
            "2019": "a #1 #2"
          },
          "windows-mail": { "2020-01": "a #1" },
          "macos": { "2020-01": "y", "16.80": "y" },
          "outlook-com": { "2020-01": "y", "2023-12": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "aol": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "68.4": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Big negative values are rendered differently from CSS standards.",
        "2": "Buggy. Values set in `em` are smaller than the expected render in CSS. See [#192](https://github.com/hteumeuleu/caniemail/issues/192)."
      }
    },

    {
      "slug": "css-line-height",
      "title": "line-height",
      "description": "Sets the height of a line box. Or, basically, the height of a line of text.",
      "url": "https://www.caniemail.com/features/css-line-height/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-10-02",
      "test_url": "https://www.caniemail.com/tests/css-line-height.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/POu1Ixvy9x2XUtzmwlFPA4Lx8DDVhRpGvraSjEmf9DnDG/list",
      "stats": {
        "apple-mail": { "macos": { "14": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" },
          "mobile-webmail": { "2021-10": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "a #2" },
          "android": { "2021-10": "a #2" }
        },
        "outlook": {
          "windows": {
            "2007": "a #1",
            "2010": "a #1",
            "2013": "a #1",
            "2016": "a #1",
            "2019": "a #1"
          },
          "windows-mail": { "2021-10": "a #1" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "thunderbird": { "macos": { "78.14": "y" } },
        "aol": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "hey": { "desktop-webmail": { "2021-10": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-10": "y" } },
        "laposte": { "desktop-webmail": { "2021-10": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. `em` and `px` units behave weirdly. Use `mso-line-height-rule:exactly`.",
        "2": "Partial. `normal` value is not supported."
      }
    },

    {
      "slug": "css-linear-gradient",
      "title": "linear-gradient()",
      "description": "Creates an image consisting of a progressive transition between two or more colors along a straight line.",
      "url": "https://www.caniemail.com/features/css-linear-gradient/",
      "category": "css",
      "tags": [],
      "keywords": "gradients",
      "last_test_date": "2021-12-29",
      "test_url": "https://www.caniemail.com/tests/css-gradients.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/8FCYDYSPXot6jquGzeiqGsfoeCU4tvCeRpnVG0z6luNLr/list",
      "stats": {
        "apple-mail": { "macos": { "15": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" },
          "mobile-webmail": { "2021-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-12": "n" },
          "ios": { "2021-12": "n" },
          "android": { "2021-12": "n" }
        },
        "outlook": {
          "windows": {
            "2007": "n #1",
            "2010": "n #1",
            "2013": "n #1",
            "2016": "n #1",
            "2019": "n #1"
          },
          "windows-mail": { "2021-12": "n" },
          "macos": { "16.57": "y", "16.80": "n" },
          "outlook-com": { "2021-12": "n", "2023-12": "n" },
          "ios": { "2.51.1": "y", "4.2148.2": "n" },
          "android": { "4.2147.4": "n" }
        },
        "samsung-email": { "android": { "6.0": "y", "6.1.90.16": "a #2" } },
        "sfr": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "thunderbird": { "macos": { "91.4.1": "y" } },
        "aol": {
          "desktop-webmail": { "2021-12": "n" },
          "ios": { "2021-12": "n" },
          "android": { "2021-12": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-12": "n" },
          "ios": { "2021-12": "n" },
          "android": { "2021-12": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "hey": { "desktop-webmail": { "2021-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-12": "y" } },
        "fastmail": { "desktop-webmail": { "2021-12": "y" } },
        "laposte": { "desktop-webmail": { "2021-12": "y" } },
        "t-online-de": { "desktop-webmail": { "2021-12": "y" } },
        "free-fr": { "desktop-webmail": { "2021-12": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Gradients can be created in VML using `type=\"gradient\"` on a `<v:fill>`. See [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/web-workshop---how-to-use-vml-on-web-pages-----fill--element#gradient-fill).",
        "2": "Partial. Not supported with Hotmail/Outlook accounts."
      }
    },

    {
      "slug": "css-list-style-image",
      "title": "list-style-image",
      "description": null,
      "url": "https://www.caniemail.com/features/css-list-style-image/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-04-20",
      "test_url": "https://www.caniemail.com/tests/css-list.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/ifwlqtEsBCU23xVI7NgjBqvJlcJ4c20Akv3aRW3ugRJsP/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-04": "n" },
          "ios": { "2020-04": "n" },
          "android": { "2020-04": "n" },
          "mobile-webmail": { "2020-04": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-04": "y", "2021-03": "n" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "n #1",
            "2010": "n #1",
            "2013": "n #1",
            "2016": "n #1",
            "2019": "n #1"
          },
          "windows-mail": { "2020-04": "n #1" },
          "macos": { "2011": "y", "2016": "y", "16.80": "n" },
          "outlook-com": { "2020-04": "n #2", "2023-12": "n #2" },
          "ios": { "2020-04": "n #2" },
          "android": { "2020-04": "n #2" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-04": "n" },
          "ios": { "2020-04": "n" },
          "android": { "2020-04": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-04": "n" },
          "ios": { "2020-04": "n" },
          "android": { "2020-04": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-04": "n #3" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported, but the proprietary `mso-bullet-image` property can be used instead on `<li>`. Outlook 2007 and 2010 only support `.ico` and `.gif` file formats.",
        "2": "Not supported, but image values are supported through the `list-style` shorthand property.",
        "3": "`url()` is transformed into `proton-url()`."
      }
    },

    {
      "slug": "css-list-style-position",
      "title": "list-style-position",
      "description": null,
      "url": "https://www.caniemail.com/features/css-list-style-position/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-04-20",
      "test_url": "https://www.caniemail.com/tests/css-list.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/ifwlqtEsBCU23xVI7NgjBqvJlcJ4c20Akv3aRW3ugRJsP/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" },
          "mobile-webmail": { "2020-04": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-04": "y", "2021-03": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "n #1",
            "2010": "n #1",
            "2013": "n #1",
            "2016": "n #1",
            "2019": "n #1"
          },
          "windows-mail": { "2020-04": "n #1" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-04": "y", "2023-12": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported, but the proprietary `mso-text-indent-alt` property can be used instead."
      }
    },

    {
      "slug": "css-list-style-type",
      "title": "list-style-type",
      "description": null,
      "url": "https://www.caniemail.com/features/css-list-style-type/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": null,
      "last_test_date": "2020-04-20",
      "test_url": "https://www.caniemail.com/tests/css-list.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/ifwlqtEsBCU23xVI7NgjBqvJlcJ4c20Akv3aRW3ugRJsP/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" },
          "mobile-webmail": { "2020-04": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-04": "y", "2021-03": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2020-04": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-04": "y", "2023-12": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": "Tests and support are based on the CSS Level 2 specification. `<custom-ident>`, `symbols()` and `<string>` values are not tested here.",
      "notes_by_num": {}
    },

    {
      "slug": "css-list-style",
      "title": "list-style",
      "description": null,
      "url": "https://www.caniemail.com/features/css-list-style/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-04-20",
      "test_url": "https://www.caniemail.com/tests/css-list.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/ifwlqtEsBCU23xVI7NgjBqvJlcJ4c20Akv3aRW3ugRJsP/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-04": "a #1" },
          "ios": { "2020-04": "a #1" },
          "android": { "2020-04": "a #1" },
          "mobile-webmail": { "2020-04": "a #1" }
        },
        "orange": {
          "desktop-webmail": { "2020-04": "y", "2021-03": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "a #2",
            "2010": "a #2",
            "2013": "a #2",
            "2016": "a #2",
            "2019": "a #2"
          },
          "windows-mail": { "2020-04": "a #2" },
          "macos": { "2011": "y", "2016": "y", "16.80": "a #3" },
          "outlook-com": { "2020-04": "y", "2023-12": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-04": "a #3" },
          "ios": { "2020-04": "a #3" },
          "android": { "2020-04": "a #3" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-04": "a #3" },
          "ios": { "2020-04": "a #3" },
          "android": { "2020-04": "a #3" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-04": "a #4" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": "Tests and support are based on the CSS Level 2 specification. `<custom-ident>`, `symbols()` and `<string>` values are not tested here.",
      "notes_by_num": {
        "1": "`list-style-image` values are not supported. The entire `list-style` property is removed if present.",
        "2": "Only `list-style-type` values are supported.",
        "3": "`list-style-image` values are not supported but the rest of the `list-style` property is kept.",
        "4": "`url()` is transformed into `proton-url()` for `list-style-type` values, invalidating the entire property."
      }
    },

    {
      "slug": "css-margin-block-start-end",
      "title": "margin-block-start & margin-block-end",
      "description": "Support for the `margin-block-start` and `margin-block-end` css properties.",
      "url": "https://www.caniemail.com/features/css-margin-block-start-end/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "margin-block-start, margin-block-end",
      "last_test_date": "2022-07-13",
      "test_url": "https://www.caniemail.com/tests/css-margin-logical-properties.html",
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        "mail-ru": { "desktop-webmail": { "2021-11": "y" } },
        "fastmail": { "desktop-webmail": { "2021-11": "y" } },
        "laposte": { "desktop-webmail": { "2021-11": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-mix-blend-mode",
      "title": "mix-blend-mode",
      "description": "",
      "url": "https://www.caniemail.com/features/css-mix-blend-mode/",
      "category": "css",
      "tags": [],
      "keywords": "mix-blend-mode,blend,filter",
      "last_test_date": "2020-12-12",
      "test_url": "https://www.caniemail.com/tests/css-mix-blend-mode.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Yh6M44osu9gXxAcqLb2TBazoUxeQYOXHgdiEWg2wYbEhj/list",
      "stats": {
        "apple-mail": {
          "macos": { "11": "y", "12": "y", "13": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "a #1" },
          "android": { "2020-12": "a #1" },
          "mobile-webmail": { "2020-12": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-12": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-12": "y", "2024-04": "n" },
          "android": { "2020-12": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-12": "n" },
          "macos": { "2020-12": "y", "16.80": "y" },
          "outlook-com": { "2020-12": "y", "2024-01": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-12": "n" },
          "ios": { "2020-12": "n" },
          "android": { "2020-12": "n" }
        },
        "aol": {
          "desktop-webmail": { "2020-12": "n" },
          "ios": { "2020-12": "n" },
          "android": { "2020-12": "n" }
        },
        "samsung-email": { "android": { "6.1.30.30": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "thunderbird": { "macos": { "78.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "hey": { "desktop-webmail": { "2020-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-12": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "css-modern-color",
      "title": "lch(), oklch(), lab(), oklab()",
      "description": "Modern color values: lch, lab, oklch and oklab",
      "url": "https://www.caniemail.com/features/css-modern-color/",
      "category": "css",
      "tags": [],
      "keywords": "color",
      "last_test_date": "2023-01-18",
      "test_url": "https://www.caniemail.com/tests/css-modern-color.html",
      "test_results_url": "",
      "stats": {
        "apple-mail": { "macos": { "13.1": "y" }, "ios": { "16.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-01": "n #2" },
          "ios": { "2023-01": "n #2" },
          "android": { "2023-01": "n #2" },
          "mobile-webmail": { "2023-01": "n #2" }
        },
        "orange": {
          "desktop-webmail": { "2023-01": "u" },
          "ios": { "2023-01": "u" },
          "android": { "2023-01": "u" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2023-01": "u" },
          "macos": { "2023-01": "y", "16.80": "n" },
          "outlook-com": { "2023-01": "n", "2024-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "aol": {
          "desktop-webmail": { "2023-01": "n" },
          "ios": { "2023-01": "n" },
          "android": { "2023-01": "n" }
        },
        "samsung-email": { "android": { "6.1.74.5": "n" } },
        "sfr": {
          "desktop-webmail": { "2020-12": "u" },
          "ios": { "2020-12": "u" },
          "android": { "2020-12": "u" }
        },
        "thunderbird": { "macos": { "102.6": "n" } },
        "protonmail": {
          "desktop-webmail": { "2023-01": "y #1" },
          "ios": { "2023-01": "y" },
          "android": { "2023-01": "n" }
        },
        "hey": { "desktop-webmail": { "2023-01": "y #1" } },
        "mail-ru": { "desktop-webmail": { "2023-01": "y #1" } },
        "fastmail": { "desktop-webmail": { "2023-01": "y #1" } },
        "laposte": { "desktop-webmail": { "2021-08": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Depends on browser support.",
        "2": "Using this syntax for an inline style will remove all inline styles applied to that element."
      }
    },

    {
      "slug": "css-nesting",
      "title": "CSS Nesting",
      "description": "A syntax for nesting selectors, providing the ability to nest one style rule inside another.",
      "url": "https://www.caniemail.com/features/css-nesting/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-08-31",
      "test_url": "https://www.caniemail.com/tests/css-nesting.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/8z9ecWkyaSHebmYl0r6dlWFfcia0VNfeKu6s01l5Fw3M0/list",
      "stats": {
        "apple-mail": { "macos": { "16.0": "a #1" }, "ios": { "16.6": "a #1", "17.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-08": "n" },
          "ios": { "2023-08": "n" },
          "android": { "2023-08": "n" },
          "mobile-webmail": { "2023-08": "n" }
        },
        "orange": {
          "desktop-webmail": { "2023-08": "a #2" },
          "ios": { "2023-08": "a #2" },
          "android": { "2023-08": "u" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2023-08": "n" },
          "macos": { "16.78": "a #1", "16.80": "n" },
          "outlook-com": { "2023-08": "n", "2024-01": "n" },
          "ios": { "2023-08": "n" },
          "android": { "2024-03": "n" }
        },
        "samsung-email": { "android": { "6.0": "u", "6.1.90.16": "a #4" } },
        "sfr": {
          "desktop-webmail": { "2023-08": "a #1 #2" },
          "ios": { "2023-08": "n" },
          "android": { "2023-08": "u" }
        },
        "thunderbird": { "macos": { "102.15": "n" } },
        "aol": {
          "desktop-webmail": { "2024-01": "n #3" },
          "ios": { "2023-08": "u" },
          "android": { "2023-08": "u" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-08": "n #3" },
          "ios": { "2023-08": "n #3" },
          "android": { "2024-03": "n #3" }
        },
        "protonmail": {
          "desktop-webmail": { "2023-08": "u" },
          "ios": { "2023-08": "u" },
          "android": { "2023-08": "u" }
        },
        "hey": { "desktop-webmail": { "2023-08": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-01": "n" } },
        "fastmail": { "desktop-webmail": { "2023-08": "u" } },
        "laposte": { "desktop-webmail": { "2023-08": "u" } },
        "free-fr": { "desktop-webmail": { "2023-08": "u" } },
        "t-online-de": { "desktop-webmail": { "2023-08": "u" } },
        "gmx": {
          "desktop-webmail": { "2021-12": "u" },
          "ios": { "2021-12": "u" },
          "android": { "2021-12": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2021-12": "u" },
          "ios": { "2021-12": "u" },
          "android": { "2021-12": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2021-12": "u" }, "android": { "2021-12": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. `E { F {}}` doesn’t work, but `E { & F {}}` does. Full support was added in macOS 14.2.",
        "2": "Buggy. The syntax is supported, but nested selectors are prefixed by the webmail, which might invalidate the selector.",
        "3": "Not supported. The nested selectors are removed, making the nested properties apply to the parent selector.",
        "4": "Partial. Not supported with Hotmail/Outlook accounts."
      }
    },

    {
      "slug": "css-object-fit",
      "title": "object-fit",
      "description": "The `object-fit` CSS property sets how the content of a replaced element, such as an `<img>` or `<video>`, should be resized to fit its container.",
      "url": "https://www.caniemail.com/features/css-object-fit/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-07-15",
      "test_url": "https://www.caniemail.com/tests/css-object.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Rg26n7zpfSw6bcxjGdDU9eF0aieX8XR7QoXfSfjbOEKXt/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y", "14": "y" }, "ios": { "13": "y", "14.6": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-07": "y" },
          "ios": { "2021-07": "a #1" },
          "android": { "2021-07": "a #1" },
          "mobile-webmail": { "2021-07": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-07": "n" },
          "ios": { "2021-07": "n" },
          "android": { "2021-07": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2021-07": "n" },
          "macos": { "2016": "y", "2019": "y", "16.80": "y" },
          "outlook-com": { "2021-07": "y", "2024-01": "y" },
          "ios": { "2021-07": "y" },
          "android": { "2021-07": "y" }
        },
        "samsung-email": { "android": { "7.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-07": "y" },
          "ios": { "2021-07": "y" },
          "android": { "2021-07": "y" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
          "desktop-webmail": { "2021-07": "n" },
          "ios": { "2021-07": "n" },
          "android": { "2021-07": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-07": "n" },
          "ios": { "2021-07": "n" },
          "android": { "2021-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-07": "y" },
          "ios": { "2021-07": "y" },
          "android": { "2021-07": "y" }
        },
        "hey": { "desktop-webmail": { "2021-07": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-07": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "css-object-position",
      "title": "object-position",
      "description": "The `object-position` CSS property specifies the alignment of the selected replaced element's contents within the element's box. Areas of the box which aren't covered by the replaced element's object will show the element's background.",
      "url": "https://www.caniemail.com/features/css-object-position/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-07-15",
      "test_url": "https://www.caniemail.com/tests/css-object.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Rg26n7zpfSw6bcxjGdDU9eF0aieX8XR7QoXfSfjbOEKXt/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y", "14": "y" }, "ios": { "13": "y", "14.6": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-07": "y" },
          "ios": { "2021-07": "a #1" },
          "android": { "2021-07": "a #1" },
          "mobile-webmail": { "2021-07": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-07": "n" },
          "ios": { "2021-07": "n" },
          "android": { "2021-07": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2021-07": "n" },
          "macos": { "2016": "n", "2019": "y", "16.80": "y" },
          "outlook-com": { "2021-07": "y", "2024-01": "y" },
          "ios": { "2021-07": "y" },
          "android": { "2021-07": "y" }
        },
        "samsung-email": { "android": { "7.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-07": "y" },
          "ios": { "2021-07": "y" },
          "android": { "2021-07": "y" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
          "desktop-webmail": { "2021-07": "n" },
          "ios": { "2021-07": "n" },
          "android": { "2021-07": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-07": "n" },
          "ios": { "2021-07": "n" },
          "android": { "2021-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-07": "y" },
          "ios": { "2021-07": "y" },
          "android": { "2021-07": "y" }
        },
        "hey": { "desktop-webmail": { "2021-07": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-07": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "css-opacity",
      "title": "opacity",
      "description": "",
      "url": "https://www.caniemail.com/features/css-opacity/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-visual-effects.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/DhTRmGsVH6uobU4pHD3CasJywfBL4HnEjA1LOF8f9ctso/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-orphans",
      "title": "orphans",
      "description": "Sets the minimum number of lines in a block container split on an old page, region or column.",
      "url": "https://www.caniemail.com/features/css-orphans/",
      "category": "css",
      "tags": [],
      "keywords": "columns",
      "last_test_date": "2024-06-13",
      "test_url": "https://www.caniemail.com/tests/css-widows.html",
      "test_results_url": "https://testi.at/proj/6vd8udzx1b5l1vrnsr",
      "stats": {
        "apple-mail": { "macos": { "2024-05": "y" }, "ios": { "2024-05": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-05": "n #4" },
          "ios": { "2024-05": "n" },
          "android": { "2024-05": "n #3" },
          "mobile-webmail": { "2024-05": "n #1 #2" }
        },
        "orange": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-05": "n" },
          "macos": { "2024-05": "y" },
          "outlook-com": { "2024-05": "y" },
          "ios": { "2024-05": "y" },
          "android": { "2024-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-05": "n" },
          "ios": { "2024-05": "n" },
          "android": { "2024-05": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-05": "n" },
          "ios": { "2024-05": "n" },
          "android": { "2024-05": "n" }
        },
        "samsung-email": { "android": { "2024-05": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "protonmail": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "hey": { "desktop-webmail": { "2024-05": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-05": "y #4" } },
        "fastmail": { "desktop-webmail": { "2024-05": "u" } },
        "laposte": { "desktop-webmail": { "2021-08": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-05": "n #1 #4" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-05": "n #1 #4" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-05": "u" }, "android": { "2024-05": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. `columns` property is stripped which is required for `orphans` to work",
        "2": "Buggy. `orphans` property value is replaced by `auto`",
        "3": "Not supported, but Gmail's default styles on the email message container includes the `orphans` property. These values are inherited by children elements",
        "4": "Webmail rendering depends on browser support"
      }
    },

    {
      "slug": "css-outline-offset",
      "title": "outline-offset",
      "description": "Controls the position of an outline.",
      "url": "https://www.caniemail.com/features/css-outline-offset/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2022-12-26",
      "test_url": "https://www.caniemail.com/tests/css-outline-offset.html",
      "test_results_url": "",
      "stats": {
        "apple-mail": { "macos": { "16.0": "y" }, "ios": { "16.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" },
          "mobile-webmail": { "2022-12": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2022-12": "n" },
          "macos": { "16.68": "y", "16.80": "n" },
          "outlook-com": { "2022-12": "n", "2024-01": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "y" }
        },
        "thunderbird": { "macos": { "102.6.1": "y" } },
        "aol": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "y" }
        },
        "hey": { "desktop-webmail": { "2022-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-12": "y" } },
        "fastmail": { "desktop-webmail": { "2022-12": "y" } },
        "laposte": { "desktop-webmail": { "2022-12": "y" } },
        "free-fr": { "desktop-webmail": { "2022-12": "y" } },
        "gmx": { "desktop-webmail": { "2022-12": "n" } },
        "t-online-de": { "desktop-webmail": { "2022-12": "y" } }
      },
      "notes": "",
      "notes_by_num": null
    },

    {
      "slug": "css-outline",
      "title": "outline",
      "description": "Sets a line outside of the element's border.",
      "url": "https://www.caniemail.com/features/css-outline/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2022-03-17",
      "test_url": "https://www.caniemail.com/tests/css-outline.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/lNFpqGgdxFrmgevoZciqnebVLZKXIWKyHp5HCLRCDt9GB/list",
      "stats": {
        "apple-mail": { "macos": { "16.0": "y" }, "ios": { "15.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2022-03": "y" },
          "ios": { "2022-03": "y" },
          "android": { "2022-03": "y" },
          "mobile-webmail": { "2022-03": "y" }
        },
        "orange": {
          "desktop-webmail": { "2022-03": "n" },
          "ios": { "2022-03": "n" },
          "android": { "2022-03": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2022-03": "n" },
          "macos": { "16.60": "y", "16.80": "y" },
          "outlook-com": { "2022-03": "y", "2024-01": "y" },
          "ios": { "2022-03": "y" },
          "android": { "2022-03": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2022-03": "y" },
          "ios": { "2022-03": "y" },
          "android": { "2022-03": "y" }
        },
        "thunderbird": { "macos": { "78.14": "y" } },
        "aol": {
          "desktop-webmail": { "2022-03": "y" },
          "ios": { "2022-03": "y" },
          "android": { "2022-03": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-03": "y" },
          "ios": { "2022-03": "y" },
          "android": { "2022-03": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-03": "y" },
          "ios": { "2022-03": "y" },
          "android": { "2022-03": "y" }
        },
        "hey": { "desktop-webmail": { "2022-03": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-03": "y" } },
        "fastmail": { "desktop-webmail": { "2022-03": "y" } },
        "laposte": { "desktop-webmail": { "2022-03": "y" } },
        "free-fr": { "desktop-webmail": { "2022-12": "y" } },
        "t-online-de": { "desktop-webmail": { "2022-12": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": "WebKit renders square outline even when using `border-radius`.",
      "notes_by_num": null
    },

    {
      "slug": "css-overflow-wrap",
      "title": "overflow-wrap",
      "description": "",
      "url": "https://www.caniemail.com/features/css-overflow-wrap/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2022-08-03",
      "test_url": "https://www.caniemail.com/tests/css-overflow-wrap.html",
      "test_results_url": "https://testi.at/proj/zxOsWrYsJqztvWC7JYF8xrUgn",
      "stats": {
        "apple-mail": {
          "macos": { "16": "n", "17": "n", "18": "n", "19": "n", "20": "n", "21": "n" },
          "ios": { "11": "n", "12": "n", "13": "n", "14": "n", "15": "n" }
        },
        "gmail": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "n" },
          "android": { "2022-08": "n" },
          "mobile-webmail": { "2022-08": "u" }
        },
        "orange": {
          "desktop-webmail": { "2022-08": "u" },
          "ios": { "2022-08": "u" },
          "android": { "2022-08": "u" }
        },
        "outlook": {
          "windows": {
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n",
            "2021": "n"
          },
          "windows-mail": { "2022-08": "n" },
          "macos": { "2022-08": "y", "16.80": "n" },
          "outlook-com": { "2022-08": "n", "2024-01": "n" },
          "ios": { "2022-08": "n" },
          "android": { "2022-08": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "n" },
          "android": { "2022-08": "n" }
        },
        "aol": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "u" },
          "android": { "2022-08": "u" }
        },
        "samsung-email": { "android": { "2022-08": "y" } },
        "sfr": {
          "desktop-webmail": { "2022-08": "u" },
          "ios": { "2022-08": "u" },
          "android": { "2022-08": "u" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-08": "u" },
          "ios": { "2022-08": "u" },
          "android": { "2022-08": "u" }
        },
        "hey": { "desktop-webmail": { "2022-08": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-08": "y" } },
        "fastmail": { "desktop-webmail": { "2022-08": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-overflow",
      "title": "overflow",
      "description": "Sets the desired behavior when content does not fit in the element's padding box",
      "url": "https://www.caniemail.com/features/css-overflow/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-10-02",
      "test_url": "https://www.caniemail.com/tests/css-box-model.html",
      "test_results_url": "https://testi.at/proj/p4rru3ez069p15p6ij",
      "stats": {
        "apple-mail": {
          "macos": { "12.4": "a #1", "2024-10": "a #4" },
          "ios": { "12.1": "y", "2024-10": "a #4" }
        },
        "gmail": {
          "desktop-webmail": { "2019-02": "y", "2024-10": "a #4" },
          "ios": { "2019-02": "y", "2024-10": "a #4" },
          "android": { "2019-02": "y", "2024-10": "a #4" },
          "mobile-webmail": { "2020-02": "y", "2024-10": "a #4" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "n #2", "2021-03": "y", "2024-10": "a #3" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y", "2024-10": "a #4" },
          "outlook-com": { "2019-02": "y", "2024-01": "y", "2024-10": "a #3" },
          "ios": { "2019-02": "y", "2024-10": "a #4" },
          "android": { "2019-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y", "2024-10": "a #4" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y", "2024-10": "a #4" },
          "ios": { "2019-02": "y", "2024-10": "a #4" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "2024-10": "a #4" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y", "2024-10": "a #3" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y", "2024-10": "a #3" },
          "ios": { "2022-06": "y", "2024-10": "a #3" },
          "android": { "2022-06": "y", "2024-10": "a #3" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y", "2024-10": "a #3" },
          "ios": { "2022-06": "y", "2024-10": "a #3" },
          "android": { "2022-06": "y", "2024-10": "a #3" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. Cannot scroll through to hidden content.",
        "2": "Not supported. `overflow` is replaced by `java-script`.",
        "3": "Partial. Support for `overflow-block` & `overflow-inline` depends on browser support.",
        "4": "Partial. `overflow-block` & `overflow-inline` not supported."
      }
    },

    {
      "slug": "css-padding-block-start-end",
      "title": "padding-block-start & padding-block-end",
      "description": "Support for the `padding-block-start` and `padding-block-end` css properties.",
      "url": "https://www.caniemail.com/features/css-padding-block-start-end/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "padding-block-start, padding-block-end",
      "last_test_date": "2022-07-13",
      "test_url": "https://www.caniemail.com/tests/css-padding-logical-properties.html",
      "test_results_url": "https://testi.at/proj/Y91uDXJIDLc6M0FkVXipW",
      "stats": {
        "apple-mail": {
          "macos": { "10.12.6": "n", "10.13.6": "n", "10.15.7": "y", "12.4": "y" },
          "ios": { "11.4": "n", "12": "y", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" },
          "mobile-webmail": { "2022-07": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2022-07": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "n" },
          "outlook-com": { "2022-07": "n", "2024-01": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "samsung-email": { "android": { "10": "y", "11": "y" } },
        "sfr": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "thunderbird": { "macos": { "60.3": "u" } },
        "aol": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "hey": { "desktop-webmail": { "2022-07": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-07": "y" } },
        "fastmail": { "desktop-webmail": { "2022-07": "u" } },
        "laposte": { "desktop-webmail": { "2022-07": "u" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-padding-inline-block",
      "title": "padding-inline & padding-block",
      "description": "Support for the `padding-inline` and `padding-block` shorthand properties.",
      "url": "https://www.caniemail.com/features/css-padding-inline-block/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "padding-inline, padding-block",
      "last_test_date": "2022-07-13",
      "test_url": "https://www.caniemail.com/tests/css-padding-logical-properties.html",
      "test_results_url": "https://testi.at/proj/Y91uDXJIDLc6M0FkVXipW",
      "stats": {
        "apple-mail": {
          "macos": { "10.12.6": "n", "10.13.6": "n", "10.15.7": "n", "12.4": "y" },
          "ios": { "11.4": "n", "12": "n", "13": "n", "14": "n", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" },
          "mobile-webmail": { "2022-07": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2022-07": "n" },
          "macos": { "2011": "n", "2016": "n", "16.80": "n" },
          "outlook-com": { "2022-07": "n", "2024-01": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "samsung-email": { "android": { "10": "n", "11": "n" } },
        "sfr": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "thunderbird": { "macos": { "60.3": "u" } },
        "aol": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "hey": { "desktop-webmail": { "2022-07": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-07": "y" } },
        "fastmail": { "desktop-webmail": { "2022-07": "u" } },
        "laposte": { "desktop-webmail": { "2022-07": "u" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-padding-inline-start-end",
      "title": "padding-inline-start & padding-inline-end",
      "description": "Support for the `padding-inline-start` and `padding-inline-end` css properties.",
      "url": "https://www.caniemail.com/features/css-padding-inline-start-end/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "padding-inline-start, padding-inline-end",
      "last_test_date": "2022-07-13",
      "test_url": "https://www.caniemail.com/tests/css-padding-logical-properties.html",
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      "notes_by_num": null
    },

    {
      "slug": "css-padding",
      "title": "padding",
      "description": "This test includes support for the `padding` shorthand property as well as for `padding-left`, `padding-right`, `padding-top` and `padding-bottom`.",
      "url": "https://www.caniemail.com/features/css-padding/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-07-25",
      "test_url": "https://www.caniemail.com/tests/css-padding.html",
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          "android": { "2019-05": "y" },
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        },
        "orange": {
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          "android": { "2019-05": "y" }
        },
        "outlook": {
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            "2003": "y",
            "2007": "a #1 #2",
            "2010": "a #1 #2",
            "2013": "a #1 #2",
            "2016": "a #1 #2",
            "2019": "a #1 #2"
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          "windows-mail": { "2020-01": "a #1 #2" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
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          "android": { "2019-05": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
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          "ios": { "2019-05": "y" },
          "android": { "2019-05": "y" }
        },
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        "aol": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-05": "y" },
          "ios": { "2019-05": "y" },
          "android": { "2019-05": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
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          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
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      "notes": null,
      "notes_by_num": {
        "1": "Partial. Only supported on table cells.",
        "2": "Buggy. Vertical padding will be the same for all cells of a same row, adopting the biggest value."
      }
    },

    {
      "slug": "css-position",
      "title": "position",
      "description": "Tests for CSS positioning include `relative`, `absolute`, `fixed` and `sticky`.",
      "url": "https://www.caniemail.com/features/css-position/",
      "category": "css",
      "tags": [],
      "keywords": "absolute, sticky, fixed, relative, static",
      "last_test_date": "2021-05-16",
      "test_url": "https://www.caniemail.com/tests/css-positioning.html",
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          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" },
          "mobile-webmail": { "2021-05": "n" }
        },
        "orange": {
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          "ios": { "2021-05": "a #1" },
          "android": { "2021-05": "a #1" }
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        "outlook": {
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          "windows-mail": { "2021-05": "n" },
          "macos": { "2016": "y", "16.50": "y", "16.80": "a #2" },
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        "sfr": {
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          "ios": { "2021-05": "a #4" },
          "android": { "2021-05": "a #4" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
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          "ios": { "2021-05": "a #3" },
          "android": { "2021-05": "a #3" }
        },
        "yahoo": {
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          "ios": { "2021-05": "a #3" },
          "android": { "2021-05": "a #3" }
        },
        "protonmail": {
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          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
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        "mail-ru": { "desktop-webmail": { "2021-05": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "a #1 #6" } },
        "laposte": { "desktop-webmail": { "2021-08": "a #4" } },
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      "notes": null,
      "notes_by_num": {
        "1": "Partial. Supports `relative`, `absolute` but not `sticky` and `fixed`.",
        "2": "Partial. Supports `sticky` but not `relative`, `absolute` and `fixed`.",
        "3": "Partial. Supports `relative` but not  `absolute`, `sticky` and `fixed`.",
        "4": "Partial. Supports `relative` and `sticky` but not `absolute` and `fixed`.",
        "5": "Buggy. `fixed` elements scroll with page.",
        "6": "Buggy. `fixed` is replaced by `absolute`."
      }
    },

    {
      "slug": "css-pseudo-class-active",
      "title": ":active",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-active/",
      "category": "css",
      "tags": ["accessibility"],
      "keywords": "pseudo-class",
      "last_test_date": "2019-10-28",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
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      "stats": {
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          "android": { "2019-10": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
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          "ios": { "2019-10": "n" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
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          "windows-mail": { "2019-10": "n" },
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          "android": { "2019-10": "y" }
        },
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        "yahoo": {
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          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
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          "ios": { "2019-02": "n" },
          "android": { "2019-02": "y" }
        },
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        },
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        },
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        "gmx": {
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          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
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      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Only supported on type selectors." }
    },

    {
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      "title": ":checked",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-checked/",
      "category": "css",
      "tags": [],
      "keywords": "check, interactive, pseudo-class",
      "last_test_date": "2020-03-10",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
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          "android": { "2020-03": "n" },
          "mobile-webmail": { "2020-03": "n" }
        },
        "orange": {
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          "ios": { "2020-03": "n #2" },
          "android": { "2020-03": "n #2" }
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        "outlook": {
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          "windows-mail": { "2020-03": "n" },
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          "ios": { "2020-03": "a #1" },
          "android": { "2020-03": "a #1" }
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        "sfr": {
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          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "thunderbird": { "macos": { "68.5": "y" } },
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          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
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          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "protonmail": {
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          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #2" } },
        "gmx": {
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          "ios": { "2022-07": "y" },
          "android": { "2022-07": "n" }
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        "web-de": {
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      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Only supported on type selectors.",
        "2": "Not supported. `<input>` elements are transformed into `<noinput>`."
      }
    },

    {
      "slug": "css-pseudo-class-first-child",
      "title": ":first-child",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-first-child/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-10-16",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/cl8ZYgIGE372fkVVuJkwNJDd7B4JUpo23Nz6qANcSlRUA/list",
      "stats": {
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        "gmail": {
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          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "a #1" },
          "outlook-com": { "2019-10": "a #1", "2024-01": "a #1" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
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          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
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          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Only supported on type selectors." }
    },

    {
      "slug": "css-pseudo-class-first-of-type",
      "title": ":first-of-type",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-first-of-type/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-10-16",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/cl8ZYgIGE372fkVVuJkwNJDd7B4JUpo23Nz6qANcSlRUA/list",
      "stats": {
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        "gmail": {
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          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "a #1" },
          "outlook-com": { "2019-10": "a #1", "2024-01": "a #1" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Only supported on type selectors." }
    },

    {
      "slug": "css-pseudo-class-focus",
      "title": ":focus",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-focus/",
      "category": "css",
      "tags": ["accessibility"],
      "keywords": "pseudo-class",
      "last_test_date": "2019-10-28",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/cl8ZYgIGE372fkVVuJkwNJDd7B4JUpo23Nz6qANcSlRUA/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "n" }, "ios": { "13.1": "n" } },
        "gmail": {
          "desktop-webmail": { "2019-10": "n" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2019-02": "y", "16.80": "a #1" },
          "outlook-com": { "2019-10": "a #1", "2024-01": "a #1" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "n" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Only supported on type selectors." }
    },

    {
      "slug": "css-pseudo-class-has",
      "title": ":has()",
      "description": "Represents an element if any of the selectors passed as parameters match at least one element.",
      "url": "https://www.caniemail.com/features/css-pseudo-class-has/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2022-03-15",
      "test_url": "https://www.caniemail.com/tests/css-has.html",
      "test_results_url": "",
      "stats": {
        "apple-mail": {
          "macos": { "15.0": "n", "16.0": "y" },
          "ios": { "15.1": "n", "15.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2021-12": "n", "2023-09": "n" },
          "ios": { "2021-12": "n", "2023-09": "n" },
          "android": { "2021-12": "n", "2023-09": "n" },
          "mobile-webmail": { "2021-12": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "n" },
          "android": { "2021-12": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2021-12": "n" },
          "macos": { "16.56": "n", "16.73": "y", "16.80": "n" },
          "outlook-com": { "2021-12": "n", "2023-09": "n", "2024-01": "n" },
          "ios": { "2021-12": "n", "2023-09": "n" },
          "android": { "2021-12": "n" }
        },
        "samsung-email": { "android": { "6.0": "n", "6.1.82": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "n" },
          "android": { "2021-12": "n" }
        },
        "thunderbird": { "macos": { "78.14": "n", "115.2": "n" } },
        "aol": {
          "desktop-webmail": { "2021-12": "n #1" },
          "ios": { "2021-12": "n" },
          "android": { "2021-12": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-12": "n #1", "2023-09": "n #1" },
          "ios": { "2021-12": "n", "2023-09": "n" },
          "android": { "2021-12": "n", "2023-09": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-12": "n #2", "2023-09": "y" },
          "ios": { "2021-12": "n", "2023-09": "y" },
          "android": { "2021-12": "n", "2023-09": "n" }
        },
        "hey": { "desktop-webmail": { "2021-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-12": "n", "2023-09": "n" } },
        "fastmail": { "desktop-webmail": { "2021-12": "n", "2023-09": "y" } },
        "laposte": { "desktop-webmail": { "2021-12": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "n", "2023-09": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": "As of december 2021, `:has()` is only supported in [Safari Technology Preview 137](https://webkit.org/blog/12156/release-notes-for-safari-technology-preview-137/). As of march 2022, it is supported in Safari 15.4.",
      "notes_by_num": {
        "1": "Not supported. `:has(…)` is replaced by `:has`.",
        "2": "Not supported. But the pseudo-class seems interpreted and computed server side."
      }
    },

    {
      "slug": "css-pseudo-class-hover",
      "title": ":hover",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-hover/",
      "category": "css",
      "tags": ["accessibility"],
      "keywords": "rollover, pseudo-class",
      "last_test_date": "2019-10-23",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/cl8ZYgIGE372fkVVuJkwNJDd7B4JUpo23Nz6qANcSlRUA/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y", "13.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2019-02": "y", "16.80": "a #2" },
          "outlook-com": { "2019-10": "a #2", "2024-01": "a #2" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Partial. Only supported on type selectors."
      }
    },

    {
      "slug": "css-pseudo-class-lang",
      "title": "lang()",
      "description": "Matches elements based on the language they are determined to be in.",
      "url": "https://www.caniemail.com/features/css-pseudo-class-lang/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": null,
      "last_test_date": "2022-07-12",
      "test_url": "https://www.caniemail.com/tests/css-pseudo-selectors-lang.html",
      "test_results_url": "https://testi.at/proj/gGZHWn1FNVBHweeCPYAFL4MSXy",
      "stats": {
        "apple-mail": { "macos": { "15": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" },
          "mobile-webmail": { "2022-07": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2022-07": "n" },
          "macos": { "16.56": "y", "16.80": "n" },
          "outlook-com": { "2022-07": "n", "2024-01": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "samsung-email": { "android": { "10": "y", "11": "y" } },
        "sfr": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "thunderbird": { "macos": { "78.14": "u" } },
        "aol": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "hey": { "desktop-webmail": { "2022-07": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-07": "n" } },
        "fastmail": { "desktop-webmail": { "2022-07": "u" } },
        "laposte": { "desktop-webmail": { "2022-07": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-pseudo-class-last-child",
      "title": ":last-child",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-last-child/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-10-19",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/cl8ZYgIGE372fkVVuJkwNJDd7B4JUpo23Nz6qANcSlRUA/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-10": "n" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "a #1" },
          "outlook-com": { "2019-10": "a #1", "2024-01": "a #1" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Only supported on type selectors." }
    },

    {
      "slug": "css-pseudo-class-last-of-type",
      "title": ":last-of-type",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-last-of-type/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-10-19",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/cl8ZYgIGE372fkVVuJkwNJDd7B4JUpo23Nz6qANcSlRUA/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-10": "n" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "a #1" },
          "outlook-com": { "2019-10": "a #1", "2024-01": "a #1" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Only supported on type selectors." }
    },

    {
      "slug": "css-pseudo-class-link",
      "title": ":link",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-link/",
      "category": "css",
      "tags": [],
      "keywords": "pseudo-class",
      "last_test_date": "2019-10-23",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/cl8ZYgIGE372fkVVuJkwNJDd7B4JUpo23Nz6qANcSlRUA/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-10": "n" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
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        "1": "Partial. Only supported on type selectors.",
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            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "a #1" },
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          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Only supported on type selectors." }
    },

    {
      "slug": "css-pseudo-class-only-of-type",
      "title": ":only-of-type",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-only-of-type/",
      "category": "css",
      "tags": [],
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      "last_test_date": "2019-10-19",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
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      "stats": {
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          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
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          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "a #1" },
          "outlook-com": { "2019-10": "a #1", "2024-01": "a #1" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "protonmail": {
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          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Only supported on type selectors." }
    },

    {
      "slug": "css-pseudo-class-target",
      "title": ":target",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-target/",
      "category": "css",
      "tags": [],
      "keywords": "pseudo-class",
      "last_test_date": "2019-10-28",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/cl8ZYgIGE372fkVVuJkwNJDd7B4JUpo23Nz6qANcSlRUA/list",
      "stats": {
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        "gmail": {
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          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "n #2" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2019-02": "y", "16.80": "a #1 #2" },
          "outlook-com": { "2019-10": "a #1 #2", "2024-01": "a #1 #2" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n #2" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #2" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "n" }, "android": { "2022-07": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Only supported on type selectors.",
        "2": "Buggy. Not filtered but doesn't work."
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    },

    {
      "slug": "css-pseudo-class-visited",
      "title": ":visited",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-class-visited/",
      "category": "css",
      "tags": [],
      "keywords": "pseudo-class",
      "last_test_date": "2019-10-28",
      "test_url": "https://www.caniemail.com/tests/css-selectors-pseudo-classes.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/cl8ZYgIGE372fkVVuJkwNJDd7B4JUpo23Nz6qANcSlRUA/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "n" }, "ios": { "13.1": "n" } },
        "gmail": {
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          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2019-02": "y", "16.80": "a #1" },
          "outlook-com": { "2019-10": "a #1", "2024-01": "a #1" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "6.0.04.6": "n" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "n" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Only supported on type selectors." }
    },

    {
      "slug": "css-pseudo-element-after",
      "title": "::after",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-element-after/",
      "category": "css",
      "tags": [],
      "keywords": "pseudo-element",
      "last_test_date": "2020-05-21",
      "test_url": "https://www.caniemail.com/tests/css-pseudo-elements.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/qXO9EwD1KSCSCrmUEccVDxVOl3Cyc4LPAbb83ElW2OFge/list",
      "stats": {
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        "gmail": {
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          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" },
          "mobile-webmail": { "2020-05": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-05": "y", "2021-03": "n #2", "2024-04": "n #2" },
          "ios": { "2020-05": "y", "2024-04": "n" },
          "android": { "2020-05": "n", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-05": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "a #1", "16.80": "a #1 #3" },
          "outlook-com": { "2020-05": "n", "2024-01": "a #3" },
          "ios": { "2.51.1": "y", "4.38.0": "n", "4.2352.0": "a #3" },
          "android": { "2020-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "thunderbird": { "macos": { "68.8": "y" } },
        "aol": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
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          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
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          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported with non Outlook accounts.",
        "2": "The pseudo-element is supported but the `content` property is not.",
        "3": "Partial. Only supported on type selectors."
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    },

    {
      "slug": "css-pseudo-element-before",
      "title": "::before",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-element-before/",
      "category": "css",
      "tags": [],
      "keywords": "pseudo-element",
      "last_test_date": "2020-05-21",
      "test_url": "https://www.caniemail.com/tests/css-pseudo-elements.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/qXO9EwD1KSCSCrmUEccVDxVOl3Cyc4LPAbb83ElW2OFge/list",
      "stats": {
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        "gmail": {
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          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" },
          "mobile-webmail": { "2020-05": "n" }
        },
        "orange": {
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          "ios": { "2020-05": "y", "2024-04": "n" },
          "android": { "2020-05": "n", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-05": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "a #1", "16.80": "a #1 #3" },
          "outlook-com": { "2020-05": "n", "2024-01": "a #3" },
          "ios": { "2.51.1": "y", "4.38.0": "n", "4.2352.0": "a #3" },
          "android": { "2020-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
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          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "thunderbird": { "macos": { "68.8": "y" } },
        "aol": {
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          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
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          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported with non Outlook accounts.",
        "2": "The pseudo-element is supported but the `content` property is not.",
        "3": "Partial. Only supported on type selectors."
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    },

    {
      "slug": "css-pseudo-element-first-letter",
      "title": "::first-letter",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-element-first-letter/",
      "category": "css",
      "tags": [],
      "keywords": "pseudo-element",
      "last_test_date": "2020-05-21",
      "test_url": "https://www.caniemail.com/tests/css-pseudo-elements.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/qXO9EwD1KSCSCrmUEccVDxVOl3Cyc4LPAbb83ElW2OFge/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" },
          "mobile-webmail": { "2020-05": "n" }
        },
        "orange": {
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          "ios": { "2020-05": "y" },
          "android": { "2020-05": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-05": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "a #1", "16.80": "a #1 #2" },
          "outlook-com": { "2020-05": "n", "2024-01": "a #2" },
          "ios": { "2.51.1": "y", "4.38.0": "n", "4.2352.0": "a #2" },
          "android": { "2020-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "thunderbird": { "macos": { "68.8": "y" } },
        "aol": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported with non Outlook accounts.",
        "2": "Partial. Only supported on type selectors."
      }
    },

    {
      "slug": "css-pseudo-element-first-line",
      "title": "::first-line",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-element-first-line/",
      "category": "css",
      "tags": [],
      "keywords": "pseudo-element",
      "last_test_date": "2020-05-21",
      "test_url": "https://www.caniemail.com/tests/css-pseudo-elements.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/qXO9EwD1KSCSCrmUEccVDxVOl3Cyc4LPAbb83ElW2OFge/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" },
          "mobile-webmail": { "2020-05": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-05": "y", "2021-03": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-05": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "a #1", "16.80": "a #1 #2" },
          "outlook-com": { "2020-05": "n", "2024-01": "a #2" },
          "ios": { "2.51.1": "y", "4.38.0": "n", "4.2352.0": "a #2" },
          "android": { "2020-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "thunderbird": { "macos": { "68.8": "y" } },
        "aol": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported with non Outlook accounts.",
        "2": "Partial. Only supported on type selectors."
      }
    },

    {
      "slug": "css-pseudo-element-marker",
      "title": "::marker",
      "description": "Selects the marker box of a list item (typically a bullet or number).",
      "url": "https://www.caniemail.com/features/css-pseudo-element-marker/",
      "category": "css",
      "tags": [],
      "keywords": "pseudo-element",
      "last_test_date": "2022-12-28",
      "test_url": "https://www.caniemail.com/tests/css-marker.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/7ebtlnke6f0814MElvJWzdRU5lTKcZULpbP9ef9OCuxv3/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "16.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2022-12": "n" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" },
          "mobile-webmail": { "2022-12": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n #1"
          },
          "windows-mail": { "2022-12": "n" },
          "macos": { "2022-12": "y", "16.80": "n" },
          "outlook-com": { "2022-12": "n", "2024-01": "n" },
          "ios": { "2022-12": "n", "2024-01": "n" },
          "android": { "2022-12": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "n" },
          "android": { "2022-12": "n" }
        },
        "thunderbird": { "macos": { "102.6": "y" } },
        "aol": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "n" }
        },
        "hey": { "desktop-webmail": { "2022-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-12": "n" } },
        "fastmail": { "desktop-webmail": { "2022-12": "y" } },
        "laposte": { "desktop-webmail": { "2022-12": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Not supported. But `@list` declarations can achieve the same thing." }
    },

    {
      "slug": "css-pseudo-element-placeholder",
      "title": "::placeholder",
      "description": null,
      "url": "https://www.caniemail.com/features/css-pseudo-element-placeholder/",
      "category": "css",
      "tags": [],
      "keywords": "pseudo-element",
      "last_test_date": "2020-05-21",
      "test_url": "https://www.caniemail.com/tests/css-pseudo-elements.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/qXO9EwD1KSCSCrmUEccVDxVOl3Cyc4LPAbb83ElW2OFge/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" },
          "mobile-webmail": { "2020-05": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-05": "n", "2021-03": "n #2" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-05": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "a #1", "16.80": "a #1 #2" },
          "outlook-com": { "2020-05": "n", "2024-01": "a #2" },
          "ios": { "2.51.1": "y", "4.38.0": "n", "4.2352.0": "a #2" },
          "android": { "2020-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "thunderbird": { "macos": { "68.8": "y" } },
        "aol": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "n" },
          "ios": { "2020-05": "n" },
          "android": { "2020-05": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #2" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "n" }, "android": { "2022-07": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported with non Outlook accounts.",
        "2": "The pseudo-element is supported but `<input>` elements are not.",
        "3": "Partial. Only supported on type selectors."
      }
    },

    {
      "slug": "css-radial-gradient",
      "title": "radial-gradient()",
      "description": "Creates an image consisting of a progressive transition between two or more colors that radiate from an origin.",
      "url": "https://www.caniemail.com/features/css-radial-gradient/",
      "category": "css",
      "tags": [],
      "keywords": "gradients",
      "last_test_date": "2021-12-29",
      "test_url": "https://www.caniemail.com/tests/css-gradients.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/8FCYDYSPXot6jquGzeiqGsfoeCU4tvCeRpnVG0z6luNLr/list",
      "stats": {
        "apple-mail": { "macos": { "15": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" },
          "mobile-webmail": { "2021-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "outlook": {
          "windows": {
            "2007": "n #1",
            "2010": "n #1",
            "2013": "n #1",
            "2016": "n #1",
            "2019": "n #1"
          },
          "windows-mail": { "2021-12": "n" },
          "macos": { "16.57": "y", "16.80": "n" },
          "outlook-com": { "2021-12": "n", "2024-01": "n" },
          "ios": { "2.51.1": "y", "4.2148.2": "n" },
          "android": { "4.2147.4": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "thunderbird": { "macos": { "91.4.1": "y" } },
        "aol": {
          "desktop-webmail": { "2021-12": "n" },
          "ios": { "2021-12": "n" },
          "android": { "2021-12": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-12": "n" },
          "ios": { "2021-12": "n" },
          "android": { "2021-12": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "hey": { "desktop-webmail": { "2021-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-12": "y" } },
        "fastmail": { "desktop-webmail": { "2021-12": "y" } },
        "laposte": { "desktop-webmail": { "2021-12": "y" } },
        "t-online-de": { "desktop-webmail": { "2021-12": "y" } },
        "free-fr": { "desktop-webmail": { "2021-12": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Gradients can be created in VML using `type=\"gradientRadial\"` on a `<v:fill>`. See [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/web-workshop---how-to-use-vml-on-web-pages-----fill--element#gradient-fill)."
      }
    },

    {
      "slug": "css-resize",
      "title": "resize",
      "description": "Sets whether an element is resizable, and in which directions.",
      "url": "https://www.caniemail.com/features/css-resize/",
      "category": "css",
      "tags": [],
      "keywords": "textarea",
      "last_test_date": "2024-01-17",
      "test_url": "https://www.caniemail.com/tests/css-resize.html",
      "test_results_url": "https://testi.at/proj/6vd212zjibljibxkt9",
      "stats": {
        "apple-mail": { "macos": { "2024-01": "a #2" }, "ios": { "2024-01": "n" } },
        "gmail": {
          "desktop-webmail": { "2024-01": "n #1" },
          "ios": { "2024-01": "n #1" },
          "android": { "2024-01": "n" },
          "mobile-webmail": { "2024-01": "u" }
        },
        "orange": {
          "desktop-webmail": { "2024-01": "u" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-01": "n" },
          "macos": { "2024-01": "n #1" },
          "outlook-com": { "2024-01": "n #1" },
          "ios": { "2024-01": "n #1" },
          "android": { "2024-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-01": "n #1" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-01": "n #1" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "n" }
        },
        "samsung-email": { "android": { "2024-01": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-01": "u" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "u" }
        },
        "thunderbird": { "macos": { "2024-01": "u" } },
        "protonmail": {
          "desktop-webmail": { "2024-01": "u" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "u" }
        },
        "hey": { "desktop-webmail": { "2024-01": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-01": "y" } },
        "fastmail": { "desktop-webmail": { "2024-01": "u" } },
        "laposte": { "desktop-webmail": { "2024-01": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-01": "n #1" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-01": "n #1" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-01": "u" }, "android": { "2024-01": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "`resize` property is stripped from style tag",
        "2": "Does not support `inline` and `block` values"
      }
    },

    {
      "slug": "css-rgb",
      "title": "rgb()",
      "description": "RGB functional notation (`rgb()`)",
      "url": "https://www.caniemail.com/features/css-rgb/",
      "category": "css",
      "tags": [],
      "keywords": "rgb,color",
      "last_test_date": "2021-05-14",
      "test_url": "https://www.caniemail.com/tests/css-colors.html",
      "test_results_url": "https://testi.at/proj/w7XizGjCyAYCZgDFP1OSGekFm",
      "stats": {
        "apple-mail": {
          "macos": { "11": "y", "12": "y", "13": "y" },
          "ios": { "11": "a #1", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2021-08": "a #1 #3" },
          "ios": { "2021-08": "a #1 #3" },
          "android": { "2021-08": "a #1 #3" },
          "mobile-webmail": { "2021-08": "a #1 #3" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "a #1 #2" },
          "ios": { "2021-05": "a #1 #2" },
          "android": { "2021-05": "a #1 #2" }
        },
        "outlook": {
          "windows": {
            "2007": "a #1 #2",
            "2010": "a #1 #2",
            "2013": "a #1 #2",
            "2016": "a #1 #2",
            "2019": "a #1 #2"
          },
          "windows-mail": { "2021-01": "a #1 #2" },
          "macos": { "2011": "a #1 #2", "2016": "a #1 #2", "2021-01": "y", "16.80": "y" },
          "outlook-com": { "2021-01": "y", "2024-01": "y" },
          "ios": { "2021-01": "y" },
          "android": { "4.2101.0": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-01": "a #1" },
          "ios": { "2021-05": "a #1" },
          "android": { "6.16.2.1519779": "a #1" }
        },
        "aol": {
          "desktop-webmail": { "2021-01": "a #1" },
          "ios": { "2021-05": "a #1" },
          "android": { "2021-05": "a #1" }
        },
        "samsung-email": { "android": { "6.1.31.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "protonmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "hey": { "desktop-webmail": { "2021-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "a #1 #2" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "a #1 #2" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Whitespace syntax is not supported (`rgb(0 128 0 / 1)`).",
        "2": "Alpha value is not supported (`rgb(0, 128, 0, 0.5)`).",
        "3": "whitespace syntax (`rgb(0 128 0)`): when used in the `style` attribute of an element, the whole attribute is stripped. When used inside `<style>`, the whole `<style>` block is stripped."
      }
    },

    {
      "slug": "css-rgba",
      "title": "rgba()",
      "description": "RGB functional notation with alpha-channel transparency value (`rgba()`)",
      "url": "https://www.caniemail.com/features/css-rgba/",
      "category": "css",
      "tags": [],
      "keywords": "rgb,rgba,color,alpha",
      "last_test_date": "2021-05-14",
      "test_url": "https://www.caniemail.com/tests/css-colors.html",
      "test_results_url": "https://testi.at/proj/w7XizGjCyAYCZgDFP1OSGekFm",
      "stats": {
        "apple-mail": {
          "macos": { "11": "y", "12": "y", "13": "y" },
          "ios": { "11": "a #1", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2021-08": "a #1 #2" },
          "ios": { "2021-08": "a #1 #2" },
          "android": { "2021-08": "a #1 #2" },
          "mobile-webmail": { "2021-08": "a #1 #2" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-01": "n" },
          "android": { "2021-01": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2021-01": "n" },
          "macos": { "2021-01": "y", "16.80": "y" },
          "outlook-com": { "2021-01": "y", "2024-01": "y" },
          "ios": { "2021-01": "y" },
          "android": { "4.2101.0": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-01": "a #1" },
          "ios": { "2021-01": "a #1" },
          "android": { "6.16.2.1519779": "a #1" }
        },
        "aol": {
          "desktop-webmail": { "2021-05": "a #1" },
          "ios": { "2021-05": "a #1" },
          "android": { "2021-05": "a #1" }
        },
        "samsung-email": { "android": { "6.1.31.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "protonmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "hey": { "desktop-webmail": { "2021-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Whitespace syntax is not supported (`rgb(0 128 0 / 1)`).",
        "2": "whitespace syntax (`rgba(0 128 0 / 1)`): when used in the `style` attribute of an element, the whole attribute is stripped. When used inside `<style>`, the whole `<style>` block is stripped."
      }
    },

    {
      "slug": "css-scroll-snap",
      "title": "scroll-snap",
      "description": "Controls panning and scrolling behaviour with snap positions.",
      "url": "https://www.caniemail.com/features/css-scroll-snap/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-02-27",
      "test_url": "https://www.caniemail.com/tests/css-scroll-snap.html",
      "test_results_url": "https://testi.at/proj/O5rtNMDHo58i8YirVtvyUvG",
      "stats": {
        "apple-mail": { "macos": { "16": "y" }, "ios": { "16": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-02": "n" },
          "ios": { "2023-02": "n" },
          "android": { "2023-02": "n" },
          "mobile-webmail": { "2023-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2023-04": "n" },
          "ios": { "2023-04": "n" },
          "android": { "2023-05": "n" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2023-02": "n" },
          "macos": { "16.73": "y", "16.80": "n" },
          "outlook-com": { "2023-02": "n", "2024-01": "n" },
          "ios": { "2023-02": "n" },
          "android": { "2023-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-02": "n" },
          "ios": { "2023-02": "n" },
          "android": { "2023-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2023-02": "n" },
          "ios": { "2023-02": "n" },
          "android": { "2023-02": "n" }
        },
        "samsung-email": { "android": { "2023-02": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-02": "y" },
          "ios": { "2023-02": "y" },
          "android": { "2023-05": "y" }
        },
        "thunderbird": { "macos": { "102.10.1": "y" } },
        "protonmail": {
          "desktop-webmail": { "2023-04": "y" },
          "ios": { "2023-04": "y" },
          "android": { "2023-05": "y" }
        },
        "hey": { "desktop-webmail": { "2023-04": "y" } },
        "mail-ru": { "desktop-webmail": { "2023-02": "y" } },
        "fastmail": { "desktop-webmail": { "2023-04": "n" } },
        "laposte": { "desktop-webmail": { "2023-04": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-selector-adjacent-sibling",
      "title": "Adjacent sibling combinator",
      "description": "The adjacent sibling combinator (`h1 + p`) allows to target an element that is directly after another.",
      "url": "https://www.caniemail.com/features/css-selector-adjacent-sibling/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-03-11",
      "test_url": "https://www.caniemail.com/tests/css-selectors.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/ZOGHmMjaZIUfa2M44xDIdv9lwqol3UQN00PDO7G5kK21Y/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.3": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "a #1" },
          "android": { "2020-03": "a #1" },
          "mobile-webmail": { "2020-03": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-03": "y", "2021-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-03": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-03": "y", "2024-01": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "samsung-email": { "android": { "7.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "thunderbird": { "macos": { "68.5": "y" } },
        "aol": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "a #2" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "a #2" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Partial. Only when used as class or ID selectors"
      }
    },

    {
      "slug": "css-selector-attribute",
      "title": "Attribute selector",
      "description": "The attribute selector (`[attr]`) targets elements with this specific attribute.",
      "url": "https://www.caniemail.com/features/css-selector-attribute/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-12-15",
      "test_url": "https://www.caniemail.com/tests/css-selectors-attribute.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xHppIhPmgvxZQPvA3geS9WGCicLxVuR87NTZu70eWaAF8/list",
      "stats": {
        "apple-mail": { "macos": { "14.0": "y" }, "ios": { "14.3": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-12": "a #5", "2023-02": "a #5" },
          "ios": { "2020-12": "a #5 #6", "2023-02": "a #5 #6" },
          "android": { "2020-12": "a #5 #6", "2023-02": "a #5 #6" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-12": "y", "2021-03": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-12": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "a #1 #2 #3" },
          "outlook-com": { "2020-12": "a #1 #2 #3", "2024-01": "a #1 #2 #3" },
          "ios": { "2020-12": "a #1 #2" },
          "android": { "2020-12": "a #1 #2" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "n" },
          "android": { "2020-12": "n" }
        },
        "thunderbird": { "macos": { "78.5": "y" } },
        "aol": {
          "desktop-webmail": { "2020-12": "a #4" },
          "ios": { "2020-12": "a #4" },
          "android": { "2020-12": "a #4" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-12": "a #4" },
          "ios": { "2020-12": "a #4" },
          "android": { "2020-12": "a #4" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "a #4" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "n" }, "android": { "2022-06": "y" } }
      },
      "notes": "This page reflects support for different syntaxes: `[attr]`, `[attr=\"value\"]`, `[attr~=\"value\"]`, `[attr|=\"value\"]`, `[attr^=\"value\"]`, `[attr$=\"value\"]`, `[attr*=\"value\"]`.",
      "notes_by_num": {
        "1": "Partial. Can not be used with a class selector (`.test[class]`). Must be used solo (`[class]`) or with an element selector (`td[class]`).",
        "2": "Partial. Only supports `[attr]`, `[attr=value]`, `[attr~=value]`, `[attr|=value]` syntaxes.",
        "3": "Buggy. A `class=\"test\"` in the HTML is prefixed `class=\"x_test\"`, but an attribute selector stays unprefixed `[class=\"test\"]`.",
        "4": "Partial. Only supports `[attr=value]` syntax.",
        "5": "Partial. Only supports `[attr~=value]` syntax. Only `class` as an attribute name is known to be supported.",
        "6": "Partial. Doesn't work with non Google accounts."
      }
    },

    {
      "slug": "css-selector-chaining",
      "title": "Chaining selectors",
      "description": "Chaining selectors (`.foo.bar`) allows to apply styles to elements matching all the corresponding selectors.",
      "url": "https://www.caniemail.com/features/css-selector-chaining/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-10-13",
      "test_url": "https://www.caniemail.com/tests/css-selectors.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/kQbnzGXMSxMg2NDGmrcxIXOHrROwokTB29RcSssnkoPlS/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "a #1" },
          "android": { "2019-10": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "n", "2024-04": "y" },
          "ios": { "2019-10": "y", "2024-04": "y" },
          "android": { "2019-10": "y", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "n #3",
            "2010": "n #3",
            "2013": "n #3",
            "2016": "n #3",
            "2019": "n #3"
          },
          "windows-mail": { "2019-10": "n #3" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-10": "n #4", "2024-01": "n #4" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "a #2" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "a #5" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "a #5" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Buggy. The first `<head>` in the HTML is removed, so `<style>` elements need to be in a second `<head>` element.",
        "3": "Buggy. Styles will be applied to the first selector of the chain.",
        "4": "Buggy. Only the first selector of the chain is prefixed in the styles, but all classes are prefixed in the HTML.",
        "5": "Partial. Only when used as class or ID selectors"
      }
    },

    {
      "slug": "css-selector-child",
      "title": "Child combinator",
      "description": "The child combinator is represented by a superior sign (`>`) between two selectors and matches the second selector if it is a direct child of the first selector.",
      "url": "https://www.caniemail.com/features/css-selector-child/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-10-13",
      "test_url": "https://www.caniemail.com/tests/css-selectors.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/kQbnzGXMSxMg2NDGmrcxIXOHrROwokTB29RcSssnkoPlS/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "a #1" },
          "android": { "2019-10": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "n" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2023-06": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-10": "y", "2024-01": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "a #2" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Buggy. The first `<head>` in the HTML is removed, so `<style>` elements need to be in a second `<head>` element."
      }
    },

    {
      "slug": "css-selector-class",
      "title": "Class selector",
      "description": "The class selector (`.className`) allows to apply styles to a group of elements with the corresponding `class` attribute.",
      "url": "https://www.caniemail.com/features/css-selector-class/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-10-13",
      "test_url": "https://www.caniemail.com/tests/css-selectors.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/kQbnzGXMSxMg2NDGmrcxIXOHrROwokTB29RcSssnkoPlS/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "a #1" },
          "android": { "2019-10": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2019-10": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-10": "y", "2024-01": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "a #2" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Buggy. The first `<head>` in the HTML is removed, so `<style>` elements need to be in a second `<head>` element."
      }
    },

    {
      "slug": "css-selector-descendant",
      "title": "Descendant combinator",
      "description": "The descendant combinator is represented by a space (` `) between two selectors and matches the second selector if it has ancestor matching the first selector.",
      "url": "https://www.caniemail.com/features/css-selector-descendant/",
      "category": "css",
      "tags": [],
      "keywords": null,
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      "test_url": "https://www.caniemail.com/tests/css-selectors.html",
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          "ios": { "2019-10": "a #1" },
          "android": { "2019-10": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
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          "windows-mail": { "2019-10": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-10": "y", "2024-01": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "a #2" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "a #3" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
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          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
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      },
      "notes": null,
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        "1": "Partial. Not supported with non Google accounts.",
        "2": "Buggy. The first `<head>` in the HTML is removed, so `<style>` elements need to be in a second `<head>` element.",
        "3": "Partial. Only when used as class or ID selectors"
      }
    },

    {
      "slug": "css-selector-general-sibling",
      "title": "General sibling combinator",
      "description": "The general sibling combinator (`img ~ p`) allows to target any element that after another (directly or indirectly).",
      "url": "https://www.caniemail.com/features/css-selector-general-sibling/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-03-11",
      "test_url": "https://www.caniemail.com/tests/css-selectors.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/ZOGHmMjaZIUfa2M44xDIdv9lwqol3UQN00PDO7G5kK21Y/list",
      "stats": {
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        "gmail": {
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          "ios": { "2020-03": "a #1" },
          "android": { "2020-03": "a #1" },
          "mobile-webmail": { "2020-03": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-03": "y", "2021-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-03": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-03": "y", "2024-01": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "samsung-email": { "android": { "7.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "thunderbird": { "macos": { "68.5": "y" } },
        "aol": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "css-selector-grouping",
      "title": "Grouping selectors",
      "description": "Grouping selectors (`.foo, .bar`) allows to apply the same styles to the different corresponding elements.",
      "url": "https://www.caniemail.com/features/css-selector-grouping/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-10-13",
      "test_url": "https://www.caniemail.com/tests/css-selectors.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/kQbnzGXMSxMg2NDGmrcxIXOHrROwokTB29RcSssnkoPlS/list",
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          "ios": { "2019-10": "a #1" },
          "android": { "2019-10": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
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          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
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            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2019-10": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-10": "y", "2024-01": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "a #2" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "a #3" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
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          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Buggy. The first `<head>` in the HTML is removed, so `<style>` elements need to be in a second `<head>` element.",
        "3": "Partial. Only when used as class or ID selectors"
      }
    },

    {
      "slug": "css-selector-id",
      "title": "ID selector",
      "description": "The ID selector (`#id`) allows to apply styles to an element with the corresponding `id` attribute.",
      "url": "https://www.caniemail.com/features/css-selector-id/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-10-13",
      "test_url": "https://www.caniemail.com/tests/css-selectors.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/kQbnzGXMSxMg2NDGmrcxIXOHrROwokTB29RcSssnkoPlS/list",
      "stats": {
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          "ios": { "2019-10": "a #1" },
          "android": { "2019-10": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2019-10": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-10": "y", "2024-01": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "a #2" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "n" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Buggy. The first `<head>` in the HTML is removed, so `<style>` elements need to be in a second `<head>` element."
      }
    },

    {
      "slug": "css-selector-type",
      "title": "Type selector",
      "description": "Type selector or element selectors allow to apply styles by HTML element names.",
      "url": "https://www.caniemail.com/features/css-selector-type/",
      "category": "css",
      "tags": [],
      "keywords": "element",
      "last_test_date": "2019-10-13",
      "test_url": "https://www.caniemail.com/tests/css-selectors.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/kQbnzGXMSxMg2NDGmrcxIXOHrROwokTB29RcSssnkoPlS/list",
      "stats": {
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        "gmail": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "a #1" },
          "android": { "2019-10": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2019-10": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-10": "y", "2024-01": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "a #2" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Buggy. The first `<head>` in the HTML is removed, so `<style>` elements need to be in a second `<head>` element."
      }
    },

    {
      "slug": "css-selector-universal",
      "title": "Universal selector *",
      "description": "The universal selector (`*`) allows to apply styles to every elements.",
      "url": "https://www.caniemail.com/features/css-selector-universal/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-10-13",
      "test_url": "https://www.caniemail.com/tests/css-selectors.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/kQbnzGXMSxMg2NDGmrcxIXOHrROwokTB29RcSssnkoPlS/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "a #1" },
          "android": { "2019-10": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-10": "y", "2021-03": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2019-10": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-10": "y", "2024-01": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "n" },
          "android": { "2019-10": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-10": "y" },
          "ios": { "2019-10": "y" },
          "android": { "2019-10": "a #2" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n #3" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Buggy. The first `<head>` in the HTML is removed, so `<style>` elements need to be in a second `<head>` element.",
        "3": "Not supported. The selector is removed and left prefixed with the outer most parent element."
      }
    },

    {
      "slug": "css-shape-margin",
      "title": "shape-margin",
      "description": "Sets a margin for a CSS shape created using `shape-outside`",
      "url": "https://www.caniemail.com/features/css-shape-margin/",
      "category": "css",
      "tags": [],
      "keywords": "shape, margin",
      "last_test_date": "2024-03-13",
      "test_url": "https://www.caniemail.com/tests/css-shape-margin.html",
      "test_results_url": "https://testi.at/proj/l2xyho58cl2yfnknhb",
      "stats": {
        "apple-mail": { "macos": { "2024-03": "y" }, "ios": { "2024-03": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-03": "n" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" },
          "mobile-webmail": { "2024-03": "n" }
        },
        "orange": {
          "desktop-webmail": { "2024-03": "u" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-03": "n" },
          "macos": { "16.56": "y" },
          "outlook-com": { "2024-03": "n" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" }
        },
        "samsung-email": { "android": { "2024-03": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "u" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "thunderbird": { "macos": { "2024-03": "y" } },
        "aol": {
          "desktop-webmail": { "2024-03": "n" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-03": "n" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2024-03": "u" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "hey": { "desktop-webmail": { "2024-03": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-03": "y" } },
        "fastmail": { "desktop-webmail": { "2024-03": "u" } },
        "laposte": { "desktop-webmail": { "2024-03": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-shape-outside",
      "title": "shape-outside",
      "description": "Defines a shape, which may be non-rectangular, around which adjacent inline content should wrap.",
      "url": "https://www.caniemail.com/features/css-shape-outside/",
      "category": "css",
      "tags": [],
      "keywords": "shape",
      "last_test_date": "2024-02-28",
      "test_url": "https://www.caniemail.com/tests/css-shape-outside.html",
      "test_results_url": "https://testi.at/proj/6vdjc5l6ungvfjgu94",
      "stats": {
        "apple-mail": { "macos": { "15": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-02": "n" },
          "ios": { "2024-02": "n" },
          "android": { "2024-02": "n" },
          "mobile-webmail": { "2024-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2024-02": "u" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-02": "n" },
          "macos": { "16.56": "y" },
          "outlook-com": { "2024-02": "n" },
          "ios": { "2024-02": "n" },
          "android": { "2024-02": "n" }
        },
        "samsung-email": { "android": { "2024-02": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-02": "u" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "thunderbird": { "macos": { "2024-02": "y" } },
        "aol": {
          "desktop-webmail": { "2024-02": "n" },
          "ios": { "2024-02": "n" },
          "android": { "2024-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-02": "n" },
          "ios": { "2024-02": "n" },
          "android": { "2024-02": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2024-02": "u" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "hey": { "desktop-webmail": { "2024-02": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-02": "y" } },
        "fastmail": { "desktop-webmail": { "2024-02": "u" } },
        "laposte": { "desktop-webmail": { "2024-02": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-sytem-ui",
      "title": "system-ui, ui-serif, ui-sans-serif, ui-rounded, ui-monospace",
      "description": "CSS keywords for specifying system fonts for `font-family`.",
      "url": "https://www.caniemail.com/features/css-sytem-ui/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2022-12-30",
      "test_url": "https://www.caniemail.com/tests/css-system-fonts.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/cylY3QfQE3JBZdvEGzDrCa9D78HmSgry19cYKLZGKqWpA/list",
      "stats": {
        "apple-mail": { "macos": { "13.1": "y" }, "ios": { "16.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2022-12": "y #2" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "a #1" },
          "mobile-webmail": { "2022-12": "y #2" }
        },
        "orange": {
          "desktop-webmail": { "2022-12": "y" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "a #1" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2022-12": "n" },
          "macos": { "2022-12": "y", "16.80": "y" },
          "outlook-com": { "2022-12": "y #2", "2024-01": "y #2" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "a #1" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-12": "y #2" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "a #1" }
        },
        "aol": {
          "desktop-webmail": { "2022-12": "y #2" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "a #1" }
        },
        "samsung-email": { "android": { "6.1.73.1": "a #1" } },
        "sfr": {
          "desktop-webmail": { "2022-12": "y #2" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "a #1" }
        },
        "thunderbird": { "macos": { "102.6": "a #1" } },
        "protonmail": {
          "desktop-webmail": { "2022-12": "y #2" },
          "ios": { "2022-12": "y" },
          "android": { "2022-12": "a #1" }
        },
        "hey": { "desktop-webmail": { "2022-12": "y #2" } },
        "mail-ru": { "desktop-webmail": { "2022-12": "y #2" } },
        "fastmail": { "desktop-webmail": { "2022-12": "y #2" } },
        "laposte": { "desktop-webmail": { "2022-12": "y #2" } },
        "t-online-de": { "desktop-webmail": { "2023-01": "y #2" } },
        "gmx": { "desktop-webmail": { "2021-12": "y #2" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Supports `system-ui` only.",
        "2": "Partial. Depends on browser support. `system-ui` works in all browsers. `ui-serif`, `ui-sans-serif`, `ui-rounded` and `ui-monospace` are supported on all browsers on iOS and Safari on MacOS."
      }
    },

    {
      "slug": "css-tab-size",
      "title": "tab-size",
      "description": "",
      "url": "https://www.caniemail.com/features/css-tab-size/",
      "category": "css",
      "tags": [],
      "keywords": "tab,size",
      "last_test_date": "2022-07-21",
      "test_url": "https://www.caniemail.com/tests/css-tab-size.html",
      "test_results_url": "https://testi.at/proj/Rk9H1m9ubAYH1DwUqZu8G",
      "stats": {
        "apple-mail": {
          "macos": { "16": "y", "17": "y", "18": "y", "19": "y", "20": "y", "21": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" },
          "mobile-webmail": { "2022-07": "u" }
        },
        "orange": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "outlook": {
          "windows": {
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n",
            "2021": "n"
          },
          "windows-mail": { "2022-07": "n" },
          "macos": { "2022-07": "y", "16.80": "y #2" },
          "outlook-com": { "2022-07": "y #2", "2024-01": "y #2" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "aol": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "samsung-email": { "android": { "2022-07": "y" } },
        "sfr": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "hey": { "desktop-webmail": { "2022-07": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-07": "n #1" } },
        "fastmail": { "desktop-webmail": { "2022-07": "u" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Supports `tab-size` but doesn't support `white-space`. Therefore, `tab-size` is not effectively visible",
        "2": "Supports `tab-size` but strips the tab character `&#0009;`"
      }
    },

    {
      "slug": "css-table-layout",
      "title": "table-layout",
      "description": "The table-layout property defines the algorithm used to lay out table cells, rows, and columns.",
      "url": "https://www.caniemail.com/features/css-table-layout/",
      "category": "css",
      "tags": [],
      "keywords": "table,layout",
      "last_test_date": "2022-07-20",
      "test_url": "https://www.caniemail.com/tests/css-table-layout.html",
      "test_results_url": "https://testi.at/proj/G4buV6sBBxUr6quykrtVA3sk",
      "stats": {
        "apple-mail": {
          "macos": { "16": "y", "17": "y", "18": "y", "19": "y", "20": "y", "21": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" },
          "mobile-webmail": { "2022-07": "u" }
        },
        "orange": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "outlook": {
          "windows": {
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n",
            "2021": "n"
          },
          "windows-mail": { "2022-07": "n" },
          "macos": { "2022-07": "y", "16.80": "n #1" },
          "outlook-com": { "2022-07": "y", "2024-01": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "aol": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "samsung-email": { "android": { "2022-07": "y" } },
        "sfr": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "hey": { "desktop-webmail": { "2022-07": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-07": "y" } },
        "fastmail": { "desktop-webmail": { "2022-07": "u" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Not supported. All tables are forced to `table-layout:fixed`." }
    },

    {
      "slug": "css-text-align-last",
      "title": "text-align-last",
      "description": "The `text-align-last` CSS property sets how the last line of a block or a line right before a forced line break is aligned.",
      "url": "https://www.caniemail.com/features/css-text-align-last/",
      "category": "css",
      "tags": [],
      "keywords": "align, align-last",
      "last_test_date": "2022-08-31",
      "test_url": "https://www.caniemail.com/tests/css-text-align-last.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/LxplTmJT9Ilq9GUyn8Aq8MVK6EO427qmx1Ic4A7jc7bOJ/list",
      "stats": {
        "apple-mail": {
          "macos": { "2022-10": "y" },
          "ios": { "11": "n", "12": "n", "13": "n", "14": "n", "15": "n", "16.0": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-08": "y" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" },
          "mobile-webmail": { "2021-08": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "macos": { "2022-08": "n", "16.80": "n" },
          "outlook-com": { "2022-08": "y", "2024-01": "n" },
          "ios": { "2022-08": "n" },
          "android": { "2022-08": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-08": "n", "2024-03": "n" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" }
        },
        "aol": { "desktop-webmail": { "2022-08": "n" } },
        "samsung-email": { "android": { "6.1.51.1": "y" } },
        "free-fr": { "desktop-webmail": { "2022-08": "y" } },
        "t-online-de": { "desktop-webmail": { "2022-08": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-08": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-text-align",
      "title": "text-align",
      "description": "Sets the horizontal alignment of the content.",
      "url": "https://www.caniemail.com/features/css-text-align/",
      "category": "css",
      "tags": [],
      "keywords": "align",
      "last_test_date": "2021-09-24",
      "test_url": "https://www.caniemail.com/tests/css-text-align.html",
      "test_results_url": "https://testi.at/proj/G4YtBn8fBxEsLx6uybqcxD",
      "stats": {
        "apple-mail": {
          "macos": { "2021-09": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "a #2" },
          "android": { "2021-09": "a #2" },
          "mobile-webmail": { "2021-09": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-09": "a #1" },
          "ios": { "2021-09": "a #1" },
          "android": { "2021-09": "a #1" }
        },
        "outlook": {
          "windows": {
            "2007": "a #1",
            "2010": "a #1",
            "2013": "a #1",
            "2016": "a #1",
            "2019": "a #1"
          },
          "windows-mail": { "2021-09": "a #1" },
          "macos": { "2021-09": "y", "16.80": "y" },
          "outlook-com": { "2021-09": "y", "2024-01": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-09": "a #1" },
          "ios": { "2021-09": "a #1" },
          "android": { "6.37": "a #1" }
        },
        "aol": {
          "desktop-webmail": { "2021-09": "a #1" },
          "ios": { "2021-09": "a #1" },
          "android": { "2021-09": "a #1" }
        },
        "samsung-email": { "android": { "6.1.51.1": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "thunderbird": { "macos": { "2021-09": "y" } },
        "protonmail": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "hey": { "desktop-webmail": { "2021-09": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-09": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-09": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "y #1" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "y #1" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Flow-relative values `start` and `end` are not supported.",
        "2": "Partial. Flow-relative values `start` and `end` are not supported with non Gmail account."
      }
    },

    {
      "slug": "css-text-decoration-color",
      "title": "text-decoration-color",
      "description": null,
      "url": "https://www.caniemail.com/features/css-text-decoration-color/",
      "category": "css",
      "tags": [],
      "keywords": "underline",
      "last_test_date": "2020-04-30",
      "test_url": "https://www.caniemail.com/tests/css-text-decoration.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/VYmPi84Nw2pMoQLeljigICaH0QudjS2xc2CgpvPbEW7FZ/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12": "a #1", "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "a #3" },
          "android": { "2020-04": "a #3" },
          "mobile-webmail": { "2020-04": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-04": "y", "2021-03": "n" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n #2",
            "2010": "n #2",
            "2013": "n #2",
            "2016": "n #2",
            "2019": "n #2"
          },
          "windows-mail": { "2020-04": "n #2" },
          "macos": { "2011": "a #1", "2016": "a #1", "16.80": "y" },
          "outlook-com": { "2020-04": "y", "2024-01": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "samsung-email": { "android": { "7.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": "`text-decoration-color` is not supported in Internet Explorer.",
      "notes_by_num": {
        "1": "Supported with prefix `-webkit-`.",
        "2": "Not supported, but the proprietary `text-underline-color` property can be used instead.",
        "3": "Partial. Not supported with non Google accounts."
      }
    },

    {
      "slug": "css-text-decoration-line",
      "title": "text-decoration-line",
      "description": "Sets the kind of decoration that is used on text in an element, such as an underline or overline.",
      "url": "https://www.caniemail.com/features/css-text-decoration-line/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "underline, overline, line-through",
      "last_test_date": "2023-12-06",
      "test_url": "https://www.caniemail.com/tests/css-text-decoration-line.html",
      "test_results_url": "https://testi.at/proj/kg6y1a4eiynkf8z7t4",
      "stats": {
        "apple-mail": {
          "macos": { "2023-12": "y" },
          "ios": { "11": "n", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": {
            "6": "n",
            "7": "n",
            "8": "y",
            "9": "y",
            "10": "y",
            "11": "y",
            "12": "y",
            "13": "y"
          },
          "mobile-webmail": { "2023-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2023-12": "n" },
          "macos": { "2023-12": "y", "16.80": "y" },
          "outlook-com": { "2023-12": "y", "2024-01": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-12": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-12": "n" }
        },
        "aol": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-12": "n" }
        },
        "samsung-email": { "android": { "2023-12": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "thunderbird": { "macos": { "2023-12": "y" } },
        "protonmail": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "hey": { "desktop-webmail": { "2023-12": "u" } },
        "mail-ru": { "desktop-webmail": { "2023-12": "y" } },
        "fastmail": { "desktop-webmail": { "2023-12": "u" } },
        "laposte": { "desktop-webmail": { "2023-12": "u" } },
        "gmx": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2023-12": "u" }, "android": { "2023-12": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-text-decoration-skip-ink",
      "title": "text-decoration-skip-ink",
      "description": "Specifies how overlines and underlines are drawn when they pass over glyph ascenders and descenders.",
      "url": "https://www.caniemail.com/features/css-text-decoration-skip-ink/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "underline",
      "last_test_date": "2023-12-08",
      "test_url": "https://www.caniemail.com/tests/css-text-decoration-skip-ink.html",
      "test_results_url": "https://testi.at/proj/n477u94ixnz0kbrh6",
      "stats": {
        "apple-mail": {
          "macos": { "10.15": "n", "11.7": "n", "12.7": "y", "13.6": "y" },
          "ios": { "10": "n", "11": "n", "12": "n", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "n" },
          "android": { "2023-12": "n" },
          "mobile-webmail": { "2023-12": "n" }
        },
        "orange": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "n" },
          "android": { "2023-12": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2023-12": "n" },
          "macos": { "2023-12": "n", "16.80": "n" },
          "outlook-com": { "2023-12": "n", "2024-01": "n" },
          "ios": { "2023-12": "n" },
          "android": { "2023-12": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "n" },
          "android": { "2023-12": "n" }
        },
        "aol": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "n" },
          "android": { "2023-12": "n" }
        },
        "samsung-email": { "android": { "2023-12": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "thunderbird": { "macos": { "2023-12": "y" } },
        "protonmail": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-12": "u" }
        },
        "hey": { "desktop-webmail": { "2023-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2023-12": "y" } },
        "fastmail": { "desktop-webmail": { "2023-12": "y" } },
        "laposte": { "desktop-webmail": { "2023-12": "y" } },
        "gmx": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2023-12": "u" }, "android": { "2023-12": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-text-decoration-style",
      "title": "text-decoration-style",
      "description": "Sets the style of the lines specified by text-decoration-line.",
      "url": "https://www.caniemail.com/features/css-text-decoration-style/",
      "category": "css",
      "tags": [],
      "keywords": "underline",
      "last_test_date": "2023-12-06",
      "test_url": "https://www.caniemail.com/tests/css-text-decoration-style.html",
      "test_results_url": "https://testi.at/proj/jalr04oy0yrxfd7kuo",
      "stats": {
        "apple-mail": {
          "macos": { "2023-12": "y" },
          "ios": { "11": "n", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": {
            "6": "n",
            "7": "n",
            "8": "y",
            "9": "y",
            "10": "y",
            "11": "y",
            "12": "y",
            "13": "y"
          },
          "mobile-webmail": { "2023-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2023-12": "n" },
          "macos": { "2023-12": "y", "16.80": "y" },
          "outlook-com": { "2023-12": "y", "2024-01": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-12": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-12": "n" }
        },
        "aol": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-12": "n" }
        },
        "samsung-email": { "android": { "2023-12": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "thunderbird": { "macos": { "2023-12": "y" } },
        "protonmail": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "hey": { "desktop-webmail": { "2023-12": "u" } },
        "mail-ru": { "desktop-webmail": { "2023-12": "y" } },
        "fastmail": { "desktop-webmail": { "2023-12": "u" } },
        "laposte": { "desktop-webmail": { "2023-12": "u" } },
        "gmx": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2023-12": "u" }, "android": { "2023-12": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-text-decoration-thickness",
      "title": "text-decoration-thickness",
      "description": null,
      "url": "https://www.caniemail.com/features/css-text-decoration-thickness/",
      "category": "css",
      "tags": [],
      "keywords": "underline",
      "last_test_date": "2023-01-16",
      "test_url": "https://www.caniemail.com/tests/css-text-decoration.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/VYmPi84Nw2pMoQLeljigICaH0QudjS2xc2CgpvPbEW7FZ/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12": "a #1", "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-04": "y", "2023-01": "n" },
          "ios": { "2020-04": "n", "2023-01": "n" },
          "android": { "2020-04": "n", "2023-01": "n" },
          "mobile-webmail": { "2020-04": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-04": "y", "2021-03": "n" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n #2",
            "2010": "n #2",
            "2013": "n #2",
            "2016": "n #2",
            "2019": "n #2"
          },
          "windows-mail": { "2020-04": "n #2" },
          "macos": { "2011": "n", "2016": "n", "2023-01": "y", "16.80": "n" },
          "outlook-com": { "2020-04": "n", "2024-01": "n" },
          "ios": { "2020-04": "n", "2023-01": "n" },
          "android": { "2020-04": "n", "2023-01": "n" }
        },
        "samsung-email": { "android": { "7.0": "n", "10": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "n" }
        },
        "thunderbird": { "macos": { "68.7": "n", "102.6": "y" } },
        "aol": {
          "desktop-webmail": { "2020-04": "n" },
          "ios": { "2020-04": "n" },
          "android": { "2020-04": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-04": "n" },
          "ios": { "2020-04": "n", "2023-01": "n" },
          "android": { "2020-04": "n", "2023-01": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "n", "2023-01": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Supported with prefix `-webkit-`.",
        "2": "Not supported, but the proprietary `text-underline-style` property can be used instead with the keyword value `thick`."
      }
    },

    {
      "slug": "css-text-decoration",
      "title": "text-decoration",
      "description": "Tested with the values `overline`, `underline` and `line-through`.",
      "url": "https://www.caniemail.com/features/css-text-decoration/",
      "category": "css",
      "tags": [],
      "keywords": "underline",
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-text-decoration.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/3r2uYHjW7RohepVjh05qVkSQ9t7gJVJd6O5ABI8grFvqQ/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a #1" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "y", "2021-03": "y" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "y" }
        },
        "outlook": {
          "windows": {
            "2007": "a #2 #3",
            "2010": "a #2 #3",
            "2013": "a #2 #3",
            "2016": "a #2 #3",
            "2019": "a #2 #3"
          },
          "windows-mail": { "2019-02": "a #2 #3" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "68.4": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "a #4" },
          "ios": { "2022-07": "a #5" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "a #4" },
          "ios": { "2022-07": "a #5" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Partial. Not supported with multiple values.",
        "3": "Partial. `overline` is not supported.",
        "4": "Partial. Only supports the line property, not style, color or thickness.",
        "5": "Partial. Only supports style, color or thickness when written with long hand selectors."
      }
    },

    {
      "slug": "css-text-emphasis-position",
      "title": "text-emphasis-position",
      "description": "Determines the position of the emphasis mark.",
      "url": "https://www.caniemail.com/features/css-text-emphasis-position/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": null,
      "last_test_date": "2022-07-07",
      "test_url": "https://www.caniemail.com/tests/css-text-emphasis.html",
      "test_results_url": "https://testi.at/proj/O0yCP6t6l3sZ1xFrLZuEx6I5O",
      "stats": {
        "apple-mail": {
          "macos": { "2022-07": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" },
          "mobile-webmail": { "2022-07": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2022-07": "n" },
          "macos": { "2022-07": "y", "16.80": "y" },
          "outlook-com": { "2022-07": "n", "2024-01": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "samsung-email": { "android": { "10": "n", "11": "n" } },
        "sfr": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "thunderbird": { "macos": { "78.14": "u" } },
        "aol": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "hey": { "desktop-webmail": { "2022-07": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-07": "y" } },
        "fastmail": { "desktop-webmail": { "2022-07": "u" } },
        "laposte": { "desktop-webmail": { "2022-07": "u" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-text-emphasis",
      "title": "text-emphasis",
      "description": "Applies emphasis marks to text commonly used in East Asian languages. Tests with text-emphasis, text-emphasis-color & text-emphasis-style properties.",
      "url": "https://www.caniemail.com/features/css-text-emphasis/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": null,
      "last_test_date": "2022-07-07",
      "test_url": "https://www.caniemail.com/tests/css-text-emphasis.html",
      "test_results_url": "https://testi.at/proj/O0yCP6t6l3sZ1xFrLZuEx6I5O",
      "stats": {
        "apple-mail": {
          "macos": { "2022-07": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "n" },
          "mobile-webmail": { "2022-07": "n" }
        },
        "orange": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2022-07": "n" },
          "macos": { "2022-07": "y", "16.80": "y" },
          "outlook-com": { "2022-07": "y", "2024-01": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "n" }
        },
        "samsung-email": { "android": { "10": "n", "11": "n" } },
        "sfr": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "thunderbird": { "macos": { "78.14": "u" } },
        "aol": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-07": "n" },
          "ios": { "2022-07": "n" },
          "android": { "2022-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-07": "u" },
          "ios": { "2022-07": "u" },
          "android": { "2022-07": "u" }
        },
        "hey": { "desktop-webmail": { "2022-07": "u" } },
        "mail-ru": { "desktop-webmail": { "2022-07": "y" } },
        "fastmail": { "desktop-webmail": { "2022-07": "u" } },
        "laposte": { "desktop-webmail": { "2022-07": "u" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-text-indent",
      "title": "text-indent",
      "description": "Support below refers to supporting a `<length>` value only. This does not include the new `each-line` or `hanging` keywords.",
      "url": "https://www.caniemail.com/features/css-text-indent/",
      "category": "css",
      "tags": [],
      "keywords": "indent",
      "last_test_date": "2021-01-31",
      "test_url": "https://www.caniemail.com/tests/css-text-indent.html",
      "test_results_url": "https://testi.at/proj/Ew5f99Cy8NuRM0iPMVFoyYI8",
      "stats": {
        "apple-mail": {
          "macos": { "11": "y", "12": "y", "13": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2021-01": "a #1" },
          "ios": { "2021-01": "a #1" },
          "android": { "2021-01": "a #1" },
          "mobile-webmail": { "2021-01": "a #1" }
        },
        "orange": {
          "desktop-webmail": { "2021-01": "y", "2021-03": "y" },
          "ios": { "2021-01": "y" },
          "android": { "2021-01": "y" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2021-01": "y" },
          "macos": { "2021-01": "y", "16.80": "y" },
          "outlook-com": { "2021-01": "y", "2024-01": "y" },
          "ios": { "2021-01": "y" },
          "android": { "4.2101.1": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-01": "a #1" },
          "ios": { "6.21.1": "a #1" },
          "android": { "6.16.2.1525679": "a #1" }
        },
        "aol": {
          "desktop-webmail": { "2021-01": "a #1" },
          "ios": { "6.0.0": "a #1" },
          "android": { "5.15.0": "a #1" }
        },
        "samsung-email": { "android": { "6.1.31.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-01": "y" },
          "ios": { "2021-01": "y" },
          "android": { "2021-01": "y" }
        },
        "thunderbird": { "macos": { "2021-01": "y" } },
        "protonmail": {
          "desktop-webmail": { "2021-01": "y" },
          "ios": { "2021-01": "y" },
          "android": { "2021-01": "y" }
        },
        "hey": { "desktop-webmail": { "2021-01": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-01": "a #2" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-07": "y" },
          "ios": { "2022-07": "y" },
          "android": { "2022-07": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-07": "y" }, "android": { "2022-07": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Negative values are not supported.",
        "2": "Partial. Hard-coded negative values are not supported, but negative values as a result of the `calc()` function are supported."
      }
    },

    {
      "slug": "css-text-justify",
      "title": "text-justify",
      "description": "Sets what type of justification should be applied to text when `text-align: justify;` is set on an element.",
      "url": "https://www.caniemail.com/features/css-text-justify/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-04-17",
      "test_url": "https://www.caniemail.com/tests/css-text-justify.html",
      "test_results_url": "https://testi.at/proj/z7b61px4fel2ivk9sb2",
      "stats": {
        "apple-mail": { "macos": { "2024-04": "n #1" }, "ios": { "2024-04": "n #1" } },
        "gmail": {
          "desktop-webmail": { "2024-04": "a #2" },
          "ios": { "2024-04": "n #1" },
          "android": { "2024-04": "n #1" },
          "mobile-webmail": { "2024-04": "a #2" }
        },
        "orange": {
          "desktop-webmail": { "2024-04": "u" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "outlook": {
          "windows": { "2013": "a #3", "2016": "a #3", "2019": "a #3", "2021": "a #3" },
          "windows-mail": { "2024-04": "n #5" },
          "macos": { "2024-04": "n #1" },
          "outlook-com": { "2024-04": "a #2" },
          "ios": { "2024-04": "n #1" },
          "android": { "2024-04": "n #1" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-04": "a #2 #4" },
          "ios": { "2024-04": "n #1" },
          "android": { "2024-04": "n #1" }
        },
        "aol": {
          "desktop-webmail": { "2024-04": "n #2 #4" },
          "ios": { "2024-04": "n #1" },
          "android": { "2024-04": "n #1" }
        },
        "samsung-email": { "android": { "2024-04": "n #1" } },
        "sfr": {
          "desktop-webmail": { "2024-04": "u" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "thunderbird": { "macos": { "2024-04": "u" } },
        "protonmail": {
          "desktop-webmail": { "2024-04": "u" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "hey": { "desktop-webmail": { "2024-04": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-04": "a #2" } },
        "fastmail": { "desktop-webmail": { "2024-04": "u" } },
        "laposte": { "desktop-webmail": { "2024-04": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-04": "a #2" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-04": "n #1" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-04": "u" }, "android": { "2024-04": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. `text-justify` is stripped",
        "2": "Partial. Depends on browser support",
        "3": "Partial. `text-justify` is stripped except when the value is `inter-character`",
        "4": "Partial. `text-justify` is stripped except when the value is `inter-word` or `distribute`",
        "5": "Buggy. `text-justify` values `none`, `inter-word` and `distribute` are replaced with `inter-ideograph`"
      }
    },

    {
      "slug": "css-text-orientation",
      "title": "text-orientation",
      "description": "Sets the orientation of the text characters in vertical mode.",
      "url": "https://www.caniemail.com/features/css-text-orientation/",
      "category": "css",
      "tags": [],
      "keywords": "vertical orientation",
      "last_test_date": "2023-12-08",
      "test_url": "https://www.caniemail.com/tests/css-text-orientation.html",
      "test_results_url": "https://testi.at/proj/6vppidbfjxnczrxh4",
      "stats": {
        "apple-mail": {
          "macos": { "10.15": "a #1", "11.7": "y", "12.7": "y", "13.6": "y", "14.1": "y" },
          "ios": { "10": "n", "11": "n", "12": "y", "13": "y", "14": "y", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "10": "n", "11": "n", "12": "y", "13": "y", "14": "y", "15": "y" },
          "android": { "2023-12": "y" },
          "mobile-webmail": { "2023-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2023-12": "n" },
          "macos": { "2023-12": "n", "16.80": "y" },
          "outlook-com": { "2023-12": "y", "2024-01": "y" },
          "ios": { "10": "n", "11": "n", "12": "y", "13": "y", "14": "y", "15": "y" },
          "android": { "2023-12": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "n" },
          "android": { "2023-12": "n" }
        },
        "aol": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "n" },
          "android": { "2023-12": "n" }
        },
        "samsung-email": { "android": { "2023-12": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "thunderbird": { "macos": { "2023-12": "y" } },
        "protonmail": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "hey": { "desktop-webmail": { "2023-12": "u" } },
        "mail-ru": { "desktop-webmail": { "2023-12": "y" } },
        "fastmail": { "desktop-webmail": { "2023-12": "u" } },
        "laposte": { "desktop-webmail": { "2023-12": "u" } },
        "gmx": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2023-12": "u" }, "android": { "2023-12": "u" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. `sideways` is not supported" }
    },

    {
      "slug": "css-text-overflow",
      "title": "text-overflow",
      "description": "Tested with the value `ellipsis`.",
      "url": "https://www.caniemail.com/features/css-text-overflow/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-text.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/DkqbHs69ek5UnK6uhZ7Uj0n5GVQNTP4Z1FvgXvnKyEoTM/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a #1" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "n #2", "2021-03": "n" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "n" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "68.4": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-08": "y" }, "android": { "2022-08": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Not supported. `overflow` is replaced by `java-script`."
      }
    },

    {
      "slug": "css-text-shadow",
      "title": "text-shadow",
      "description": "",
      "url": "https://www.caniemail.com/features/css-text-shadow/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-box-model.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/pyPQFHSYLFrhbRShalju0B2fYNwUgLuyKTLx4MLqiw5mE/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "n" },
          "outlook-com": { "2019-02": "n", "2024-01": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "60.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-08": "y" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-08": "y" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-08": "y" }, "android": { "2022-08": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-text-transform",
      "title": "text-transform",
      "description": "Each of the six `text-transform` values defined by MDN (`capitalize`, `uppercase`, `lowercase`, `none`, `full-width`, `full-size-kana`).",
      "url": "https://www.caniemail.com/features/css-text-transform/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-09-19",
      "test_url": "https://www.caniemail.com/tests/css-text-transform.html",
      "test_results_url": "https://app.emailonacid.com/shared-preview/R6niSqR1SM",
      "stats": {
        "apple-mail": { "macos": { "12": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-08": "y" },
          "ios": { "2021-08": "y" },
          "android": { "2021-08": "y" },
          "mobile-webmail": { "2021-08": "y" }
        },
        "outlook": {
          "windows": {
            "2007": "a #1",
            "2010": "a #1",
            "2013": "a #1",
            "2016": "a #1",
            "2019": "a #1"
          },
          "windows-mail": { "2021-09": "a #1" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2021-08": "y", "2024-01": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-08": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "aol": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "samsung-email": { "android": { "7.0": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-08": "y" } },
        "thunderbird": { "macos": { "78.12": "y" } },
        "protonmail": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "hey": { "desktop-webmail": { "2021-09": "y" } },
        "orange": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "sfr": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "fastmail": { "desktop-webmail": { "2021-09": "y" } },
        "laposte": { "desktop-webmail": { "2021-09": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-08": "y" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-08": "y" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-08": "y" }, "android": { "2022-08": "y" } }
      },
      "notes": "Currently, only Firefox supports the `full-width` and `full-size-kana` property values. Web clients on Firefox will support these properties.",
      "notes_by_num": { "1": "Partial. `lowercase` value is not supported." }
    },

    {
      "slug": "css-text-underline-offset",
      "title": "text-underline-offset",
      "description": null,
      "url": "https://www.caniemail.com/features/css-text-underline-offset/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "underline",
      "last_test_date": "2023-01-16",
      "test_url": "https://www.caniemail.com/tests/css-text-decoration.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Zo8XyakhcacSbta8lYvU5vSTAWnaTLi7XIcWtQ7B218Cj/list",
      "stats": {
        "apple-mail": { "macos": { "14.0": "y" }, "ios": { "14.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-01": "n", "2023-01": "n" },
          "ios": { "2021-01": "n", "2023-01": "n" },
          "android": { "2021-01": "n", "2023-01": "n" },
          "mobile-webmail": { "2021-01": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-01": "y", "2021-03": "n" },
          "ios": { "2021-01": "y" },
          "android": { "2021-01": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2021-01": "n" },
          "macos": { "2016": "n", "16.46": "y", "16.80": "n" },
          "outlook-com": { "2021-01": "n", "2024-01": "n" },
          "ios": { "2021-01": "n", "2023-01": "n" },
          "android": { "2021-01": "n", "2023-01": "n" }
        },
        "samsung-email": { "android": { "7.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-01": "y" },
          "ios": { "2021-01": "y" },
          "android": { "2021-01": "n" }
        },
        "thunderbird": { "macos": { "78.6": "y" } },
        "aol": {
          "desktop-webmail": { "2021-01": "n" },
          "ios": { "2021-01": "n" },
          "android": { "2021-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-01": "n" },
          "ios": { "2021-01": "n", "2023-01": "n" },
          "android": { "2021-01": "n", "2023-01": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-01": "y" },
          "ios": { "2021-01": "y" },
          "android": { "2021-01": "n", "2023-01": "y" }
        },
        "hey": { "desktop-webmail": { "2021-01": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-01": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-08": "y" }, "android": { "2022-08": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-text-underline-position",
      "title": "text-underline-position",
      "description": "Specifies the position of the underline which is set using the `text-decoration property`'s underline value.",
      "url": "https://www.caniemail.com/features/css-text-underline-position/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": "underline",
      "last_test_date": "2023-12-08",
      "test_url": "https://www.caniemail.com/tests/css-text-underline-position.html",
      "test_results_url": "https://testi.at/proj/yd99u8e12nvh97jcv",
      "stats": {
        "apple-mail": { "macos": { "2023-12": "a #1" }, "ios": { "2023-12": "a #1" } },
        "gmail": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "a #1" },
          "android": { "2023-12": "y" },
          "mobile-webmail": { "2023-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2023-12": "n" },
          "macos": { "2023-12": "n", "16.80": "n" },
          "outlook-com": { "2023-12": "y", "2024-01": "y" },
          "ios": { "2023-12": "a #1" },
          "android": { "2023-12": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "n" },
          "android": { "2023-12": "n" }
        },
        "aol": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "n" },
          "android": { "2023-12": "n" }
        },
        "samsung-email": { "android": { "2023-12": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "thunderbird": { "macos": { "2023-12": "y" } },
        "protonmail": {
          "desktop-webmail": { "2023-12": "u" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "hey": { "desktop-webmail": { "2023-12": "u" } },
        "mail-ru": { "desktop-webmail": { "2023-12": "y" } },
        "fastmail": { "desktop-webmail": { "2023-12": "u" } },
        "laposte": { "desktop-webmail": { "2023-12": "u" } },
        "gmx": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2023-12": "n" },
          "ios": { "2023-12": "u" },
          "android": { "2023-12": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2023-12": "u" }, "android": { "2023-12": "u" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Supports `under` but not `right` and `left`" }
    },

    {
      "slug": "css-text-wrap",
      "title": "text-wrap",
      "description": "Controls how text inside an element is wrapped",
      "url": "https://www.caniemail.com/features/css-text-wrap/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-04-03",
      "test_url": "https://www.caniemail.com/tests/css-text-wrap.html",
      "test_results_url": "https://testi.at/proj/xle5u5a5i9eh9opi7a",
      "stats": {
        "apple-mail": { "macos": { "2024-04": "y" }, "ios": { "15": "y", "14": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-04": "n" },
          "ios": { "2024-04": "n" },
          "android": { "2024-04": "n" },
          "mobile-webmail": { "2024-04": "n" }
        },
        "orange": {
          "desktop-webmail": { "2024-04": "u" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-04": "n" },
          "macos": { "2024-04": "n" },
          "outlook-com": { "2024-04": "n", "2024-01": "n" },
          "ios": { "2024-04": "n" },
          "android": { "2024-04": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-04": "n" },
          "ios": { "2024-04": "n" },
          "android": { "2024-04": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-04": "n" },
          "ios": { "2024-04": "n" },
          "android": { "2024-04": "n" }
        },
        "samsung-email": { "android": { "2024-04": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-04": "u" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "thunderbird": { "macos": { "2024-04": "u" } },
        "protonmail": {
          "desktop-webmail": { "2024-04": "u" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "hey": { "desktop-webmail": { "2024-04": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-04": "y" } },
        "fastmail": { "desktop-webmail": { "2024-04": "u" } },
        "laposte": { "desktop-webmail": { "2024-04": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-04": "n" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-04": "n" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-04": "u" }, "android": { "2024-04": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-transform",
      "title": "transform",
      "description": "Tested with values `matrix`, `translate`, `scale`, `rotate`, `skew`, `scale translate`.",
      "url": "https://www.caniemail.com/features/css-transform/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-visual-effects.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/DhTRmGsVH6uobU4pHD3CasJywfBL4HnEjA1LOF8f9ctso/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "n" },
          "outlook-com": { "2019-02": "n", "2024-01": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-08": "y" }, "android": { "2022-08": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. `scale translate` is not supported." }
    },

    {
      "slug": "css-transition",
      "title": "transition",
      "description": "Creates a visual transition when changing CSS properties.",
      "url": "https://www.caniemail.com/features/css-transition/",
      "category": "css",
      "tags": [],
      "keywords": "animation",
      "last_test_date": "2024-03-29",
      "test_url": "https://www.caniemail.com/tests/css-transition.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/04RtAsXcEt68kJzhGogIDE8xcmwE7xuKdGPlz2b07ZfJY/list",
      "stats": {
        "apple-mail": { "macos": { "16.0": "y" }, "ios": { "17.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-03": "n" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" },
          "mobile-webmail": { "2024-03": "n" }
        },
        "orange": {
          "desktop-webmail": { "2024-03": "n" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2024-03": "n" },
          "macos": { "16.80": "n" },
          "outlook-com": { "2024-03": "n" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" }
        },
        "samsung-email": { "android": { "6.1.90.16": "a #5" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" }
        },
        "thunderbird": { "macos": { "115.9.0": "y" } },
        "aol": {
          "desktop-webmail": { "2024-03": "a #1 #2" },
          "ios": { "2024-03": "a #1 #2" },
          "android": { "2024-03": "a #1 #2" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-03": "a #1 #2" },
          "ios": { "2024-03": "a #1 #2" },
          "android": { "2024-03": "a #1 #2" }
        },
        "protonmail": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "u" }
        },
        "hey": { "desktop-webmail": { "2024-03": "a #3" } },
        "mail-ru": { "desktop-webmail": { "2024-03": "y" } },
        "fastmail": { "desktop-webmail": { "2024-03": "y #4" } },
        "laposte": { "desktop-webmail": { "2024-03": "y" } },
        "free-fr": { "desktop-webmail": { "2024-03": "y" } },
        "t-online-de": { "desktop-webmail": { "2024-03": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-03": "u" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-03": "u" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-03": "u" }, "android": { "2024-03": "u" } }
      },
      "notes": "This page accounts for the shorthand `transition` property and the longhand properties `transition-delay`, `transition-duration`, `transition-property` and `transition-timing-function`.",
      "notes_by_num": {
        "1": "Partial. Longhand properties are not supported.",
        "2": "Buggy. The `all` keyword is not supported.",
        "3": "Buggy. `transition-duration` is forced to `0` on a global reset style.",
        "4": "Transition properties are supported but pseudo-classes like `:hover` are not.",
        "5": "Partial. Not supported with Outlook accounts."
      }
    },

    {
      "slug": "css-unit-calc",
      "title": "CSS calc() function",
      "description": "Support for CSS calc function.",
      "url": "https://www.caniemail.com/features/css-unit-calc/",
      "category": "css",
      "tags": [],
      "keywords": "unit, calc",
      "last_test_date": "2020-02-25",
      "test_url": "https://www.caniemail.com/tests/css-units.html",
      "test_results_url": "",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "a #1" },
          "android": { "2020-02": "a #1" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-02": "n" },
          "macos": { "2016": "y", "16.80": "n" },
          "outlook-com": { "2020-02": "n", "2024-01": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-02": "y", "2024-04": "n" },
          "android": { "2020-02": "y", "2024-04": "n" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-08": "y" }, "android": { "2022-08": "y" } }
      },
      "notes": "",
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "css-unit-ch",
      "title": "ch unit",
      "description": "Support for ch unit, relative to the width of a '0'.",
      "url": "https://www.caniemail.com/features/css-unit-ch/",
      "category": "css",
      "tags": [],
      "keywords": "unit, ch",
      "last_test_date": "2020-02-25",
      "test_url": "https://www.caniemail.com/tests/css-units.html",
      "test_results_url": "",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-02": "n" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "yahoo": {
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          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "n", "2024-04": "n" },
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        },
        "sfr": {
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        },
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        },
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        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
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        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
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          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "web-de": {
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          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-08": "y" }, "android": { "2022-08": "y" } }
      },
      "notes": "",
      "notes_by_num": {}
    },

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      "url": "https://www.caniemail.com/features/css-unit-cm/",
      "category": "css",
      "tags": [],
      "keywords": "unit, cm",
      "last_test_date": "2020-02-25",
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          "android": { "2020-02": "y" },
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        },
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          "windows-mail": { "2020-02": "y" },
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          "android": { "2020-02": "y" }
        },
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
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          "android": { "2020-02": "y", "2024-04": "y" }
        },
        "sfr": {
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        },
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        "gmx": {
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          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
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    },

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      "category": "css",
      "tags": [],
      "keywords": "unit, em",
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "y", "2024-04": "y" },
          "ios": { "2020-02": "y", "2024-04": "y" },
          "android": { "2020-02": "y", "2024-04": "y" }
        },
        "sfr": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
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        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
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          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "web-de": {
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          "ios": { "2022-08": "y" },
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      },
      "notes": "",
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    },

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      "title": "ex unit",
      "description": "Support for ex unit, relative to the height of an 'x'.",
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      "category": "css",
      "tags": [],
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          "mobile-webmail": { "2020-02": "y" }
        },
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
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          "ios": { "2020-02": "y", "2024-04": "y" },
          "android": { "2020-02": "y", "2024-04": "y" }
        },
        "sfr": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
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          "android": { "2020-03": "y" }
        },
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        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
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          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "web-de": {
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      "url": "https://www.caniemail.com/features/css-unit-in/",
      "category": "css",
      "tags": [],
      "keywords": "unit, in",
      "last_test_date": "2020-02-25",
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          "android": { "2020-02": "y" }
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        "samsung-email": { "android": { "9.0": "y" } },
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        },
        "yahoo": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
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          "android": { "2020-02": "y", "2024-04": "y" }
        },
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        },
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        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
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          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
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    },

    {
      "slug": "css-unit-initial",
      "title": "initial unit",
      "description": "Support for initial keyword value.",
      "url": "https://www.caniemail.com/features/css-unit-initial/",
      "category": "css",
      "tags": [],
      "keywords": "unit, initial",
      "last_test_date": "2020-02-25",
      "test_url": "https://www.caniemail.com/tests/css-units.html",
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          "ios": { "2020-02": "a #2" },
          "android": { "2020-02": "a #2" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "outlook": {
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            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-02": "n" },
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
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          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "orange": {
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          "ios": { "2020-02": "y", "2024-04": "n" },
          "android": { "2020-02": "y", "2024-04": "n" }
        },
        "sfr": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
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        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
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          "android": { "2022-08": "y" }
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      "notes": "",
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        "1": "Partial. Webmail rendering doesn't work in IE.",
        "2": "Partial. Not supported with non Google accounts."
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    },

    {
      "slug": "css-unit-mm",
      "title": "mm unit",
      "description": "Support for millimeters unit",
      "url": "https://www.caniemail.com/features/css-unit-mm/",
      "category": "css",
      "tags": [],
      "keywords": "unit, mm",
      "last_test_date": "2020-02-25",
      "test_url": "https://www.caniemail.com/tests/css-units.html",
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        },
        "yahoo": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
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        },
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        "laposte": { "desktop-webmail": { "2021-08": "y" } },
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    },

    {
      "slug": "css-unit-pc",
      "title": "pc unit",
      "description": "Support for picas unit",
      "url": "https://www.caniemail.com/features/css-unit-pc/",
      "category": "css",
      "tags": [],
      "keywords": "unit, pc",
      "last_test_date": "2020-02-25",
      "test_url": "https://www.caniemail.com/tests/css-units.html",
      "test_results_url": "",
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        },
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          },
          "windows-mail": { "2020-02": "y" },
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
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      "notes": "",
      "notes_by_num": {}
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        },
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      "last_test_date": "2020-02-25",
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2024-04": "y" },
          "ios": { "2020-02": "y", "2024-04": "y" },
          "android": { "2020-02": "y", "2024-04": "y" }
        },
        "sfr": {
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          "android": { "2020-02": "y" }
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          "ios": { "2020-02": "y" },
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      "category": "css",
      "tags": [],
      "keywords": "unit, rem",
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          "ios": { "2020-02": "y" },
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          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "yahoo": {
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          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
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          "ios": { "2020-02": "y", "2024-04": "n" },
          "android": { "2020-02": "y", "2024-04": "n" }
        },
        "sfr": {
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          "ios": { "2020-02": "y" },
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          "ios": { "2020-03": "y" },
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          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
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      "notes": "",
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    },

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      "title": "vh unit",
      "description": "Support for viewport height unit.",
      "url": "https://www.caniemail.com/features/css-unit-vh/",
      "category": "css",
      "tags": [],
      "keywords": "unit, vh",
      "last_test_date": "2023-10-01",
      "test_url": "https://www.caniemail.com/tests/css-units.html",
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      "stats": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
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        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
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          "windows-mail": { "2020-02": "n" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "y" },
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          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
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          "android": { "2020-02": "y", "2024-04": "n" }
        },
        "sfr": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" }
        },
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          "ios": { "2020-03": "y" },
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        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
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          "ios": { "2022-08": "y" },
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        "1": "Buggy. Can affect the preview window size, meaning content can get lost.",
        "2": "Buggy. Value resolves to zero"
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      "slug": "css-unit-vmax",
      "title": "vmax unit",
      "description": "Support for viewport maximum unit.",
      "url": "https://www.caniemail.com/features/css-unit-vmax/",
      "category": "css",
      "tags": [],
      "keywords": "unit, vmax",
      "last_test_date": "2020-02-25",
      "test_url": "https://www.caniemail.com/tests/css-units.html",
      "test_results_url": "",
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            "2007": "n",
            "2010": "n",
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            "2016": "n",
            "2019": "n"
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          "windows-mail": { "2020-02": "n" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
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        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
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          "ios": { "2020-02": "y", "2024-04": "n" },
          "android": { "2020-02": "y", "2024-04": "n" }
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        "sfr": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
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          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
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        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
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        "gmx": {
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        "1": "Buggy. VH values can affect the preview window size, meaning content can get lost.",
        "2": "Buggy. VH values resolves to zero"
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    },

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      "slug": "css-unit-vmin",
      "title": "vmin unit",
      "description": "Support for viewport minimum unit.",
      "url": "https://www.caniemail.com/features/css-unit-vmin/",
      "category": "css",
      "tags": [],
      "keywords": "unit, vmin",
      "last_test_date": "2020-02-25",
      "test_url": "https://www.caniemail.com/tests/css-units.html",
      "test_results_url": "",
      "stats": {
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          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-02": "n" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-02": "y", "2024-04": "n" },
          "android": { "2020-02": "y", "2024-04": "n" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "a #2" }
        },
        "web-de": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "a #2" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-08": "y #1" }, "android": { "2022-08": "y" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Buggy. VH values can affect the preview window size, meaning content can get lost.",
        "2": "Buggy. VH values resolves to zero"
      }
    },

    {
      "slug": "css-unit-vw",
      "title": "vw unit",
      "description": "Support for viewport width unit.",
      "url": "https://www.caniemail.com/features/css-unit-vw/",
      "category": "css",
      "tags": [],
      "keywords": "unit, vw",
      "last_test_date": "2020-02-25",
      "test_url": "https://www.caniemail.com/tests/css-units.html",
      "test_results_url": "",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "y #1" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-02": "n" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y #1", "2024-01": "y #1" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "y #1" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y #1" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-02": "y", "2024-04": "n" },
          "android": { "2020-02": "y", "2024-04": "n" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y #1" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-08": "n" },
          "ios": { "2022-08": "y" },
          "android": { "2022-08": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-08": "y" }, "android": { "2022-08": "y" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "The HTML of the email message is embedded directly on the webmail (not in an <iframe>) and may not fill the full viewport's width. In this case, the vw values are relevant to the viewport (browser window) not the email message."
      }
    },

    {
      "slug": "css-user-select",
      "title": "user-select",
      "description": "Controls whether the user can select text.",
      "url": "https://www.caniemail.com/features/css-user-select/",
      "category": "css",
      "tags": [],
      "keywords": "select, copy",
      "last_test_date": "2024-02-14",
      "test_url": "https://www.caniemail.com/tests/css-user-select.html",
      "test_results_url": "https://testi.at/proj/9zjptajgcxyzc74ockp",
      "stats": {
        "apple-mail": { "macos": { "2024-02": "y #1" }, "ios": { "2024-02": "a #1 #2" } },
        "gmail": {
          "desktop-webmail": { "2024-02": "n #3" },
          "ios": { "2024-02": "n #3" },
          "android": { "2024-02": "n" },
          "mobile-webmail": { "2024-02": "u" }
        },
        "orange": {
          "desktop-webmail": { "2024-02": "u" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-02": "n" },
          "macos": { "2024-02": "n #3" },
          "outlook-com": { "2024-02": "n #3" },
          "ios": { "2024-02": "n #3" },
          "android": { "2024-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-02": "n #3" },
          "ios": { "2024-02": "n" },
          "android": { "2024-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-02": "n #3" },
          "ios": { "2024-02": "n" },
          "android": { "2024-02": "n" }
        },
        "samsung-email": { "android": { "2024-02": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-02": "u" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "thunderbird": { "macos": { "2024-02": "u" } },
        "protonmail": {
          "desktop-webmail": { "2024-02": "u" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "hey": { "desktop-webmail": { "2024-02": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-02": "y" } },
        "fastmail": { "desktop-webmail": { "2024-02": "u" } },
        "laposte": { "desktop-webmail": { "2024-02": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-02": "n #3" },
          "ios": { "2024-02": "u" },
          "android": { "2024-02": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-02": "n #3" },
          "ios": { "2024-02": "n" },
          "android": { "2024-02": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-02": "u" }, "android": { "2024-02": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Works with `-webkit` prefix",
        "2": "`all` value does not work",
        "3": "Property is stripped from style tag"
      }
    },

    {
      "slug": "css-variables",
      "title": "CSS Variables (Custom Properties)",
      "description": null,
      "url": "https://www.caniemail.com/features/css-variables/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-02-25",
      "test_url": "https://www.caniemail.com/tests/css-variables.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/3viCexhHsrjaP9YS8RwzNwikbf4C0akxPFhK8xgyltxpe/list",
      "stats": {
        "apple-mail": { "macos": { "10.3": "y" }, "ios": { "10.3": "y", "12.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-08": "n #1" },
          "ios": { "2019-08": "n #1 #2" },
          "android": { "2019-08": "n #1 #2" },
          "mobile-webmail": { "2020-02": "n #1" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "n" },
          "outlook-com": { "2019-08": "n", "2020-02": "n", "2024-01": "n" },
          "ios": { "2019-08": "n", "2020-02": "n" },
          "android": { "2019-08": "n", "2020-02": "n" }
        },
        "samsung-email": { "android": { "6.0": "y", "9.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "60.3": "y", "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-01": "n" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-08": "n", "2020-02": "n" },
          "ios": { "2019-08": "n", "2020-02": "n" },
          "android": { "2019-08": "n", "2020-02": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n #1" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n #1" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. The `var()` function is supported, but not the variable declaration.",
        "2": "Partial. Not supported with non Google accounts."
      }
    },

    {
      "slug": "css-vertical-align",
      "title": "vertical-align",
      "description": null,
      "url": "https://www.caniemail.com/features/css-vertical-align/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-12-21",
      "test_url": "https://www.caniemail.com/tests/css-vertical-align-html-valign.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/XDUBIjG7AOXLUwfUUDYDO68OO1POjklmaeeqkOeSylkJL/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" },
          "mobile-webmail": { "2020-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-12": "y", "2021-03": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2020-12": "y" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-12": "y", "2024-01": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "thunderbird": { "macos": { "78.6": "y" } },
        "aol": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "hey": { "desktop-webmail": { "2020-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-12": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "css-visibility",
      "title": "visibility",
      "description": "Tested for values `hidden` and `collapse`.",
      "url": "https://www.caniemail.com/features/css-visibility/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-visual-effects.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/DhTRmGsVH6uobU4pHD3CasJywfBL4HnEjA1LOF8f9ctso/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y #1" }, "ios": { "12.1": "y #1" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "a #2", "2024-04": "n" },
          "ios": { "2019-08": "a #1", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y #1", "16.80": "y #1" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y #1" },
          "android": { "2019-02": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y #1" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "y #1" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y #1" },
          "android": { "2019-08": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y #1" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. `visibility:collapse` applied to a `<tr>` only hides content and does not \"remove\" it from layout.",
        "2": "Partially supported. `visibility:collapse` is not supported."
      }
    },

    {
      "slug": "css-white-space-collapse",
      "title": "white-space-collapse",
      "description": "Controls how white space inside an element is collapsed.",
      "url": "https://www.caniemail.com/features/css-white-space-collapse/",
      "category": "css",
      "tags": [],
      "keywords": "break, space, collapse, hide",
      "last_test_date": "2024-09-04",
      "test_url": "https://www.caniemail.com/tests/css-white-space-collapse.html",
      "test_results_url": "https://testi.at/proj/e6y4s3zytp5kty7kcg",
      "stats": {
        "apple-mail": {
          "macos": { "10": "n", "11": "n", "12": "n", "13": "n", "14": "y #1" },
          "ios": { "15": "y #1" }
        },
        "gmail": {
          "desktop-webmail": { "2024-09": "n" },
          "ios": { "2024-09": "n" },
          "android": { "2024-09": "n" },
          "mobile-webmail": { "2024-09": "n" }
        },
        "orange": {
          "desktop-webmail": { "2024-09": "u" },
          "ios": { "2024-09": "u" },
          "android": { "2024-09": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-09": "n" },
          "macos": { "2024-09": "n" },
          "outlook-com": { "2024-09": "n" },
          "ios": { "2024-09": "n" },
          "android": { "2024-09": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-09": "n" },
          "ios": { "2024-09": "n" },
          "android": { "2024-09": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-09": "n" },
          "ios": { "2024-09": "n" },
          "android": { "2024-09": "n" }
        },
        "samsung-email": { "android": { "2024-09": "y #1" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "u" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "protonmail": {
          "desktop-webmail": { "2024-09": "u" },
          "ios": { "2024-09": "u" },
          "android": { "2024-09": "u" }
        },
        "hey": { "desktop-webmail": { "2024-09": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-09": "y #1" } },
        "fastmail": { "desktop-webmail": { "2024-09": "u" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. `preserve-spaces` value works only on Firefox." }
    },

    {
      "slug": "css-white-space",
      "title": "white-space",
      "description": "Tested with the values `nowrap` and `pre`.",
      "url": "https://www.caniemail.com/features/css-white-space/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-text.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/DkqbHs69ek5UnK6uhZ7Uj0n5GVQNTP4Z1FvgXvnKyEoTM/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a #1 #2" },
          "android": { "2019-02": "a #1 #2" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "y", "2021-03": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y #2", "16.80": "y" },
          "outlook-com": { "2019-02": "y #2", "2024-01": "y" },
          "ios": { "2019-02": "y #2" },
          "android": { "2019-02": "y #2" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a #2" },
          "android": { "2019-02": "a #2" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "n" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "a #2" }
        },
        "thunderbird": { "macos": { "68.4": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "a #2" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "a #2" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "a #2" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Partial. `pre` value is not supported."
      }
    },

    {
      "slug": "css-widows",
      "title": "widows",
      "description": "Sets the minimum number of lines in a block container split on a new page, region or column.",
      "url": "https://www.caniemail.com/features/css-widows/",
      "category": "css",
      "tags": [],
      "keywords": "columns",
      "last_test_date": "2024-05-03",
      "test_url": "https://www.caniemail.com/tests/css-widows.html",
      "test_results_url": "https://testi.at/proj/6vd8udzx1b5l1vrnsr",
      "stats": {
        "apple-mail": { "macos": { "2024-05": "y" }, "ios": { "2024-05": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-05": "n #4" },
          "ios": { "2024-05": "n" },
          "android": { "2024-05": "n #3" },
          "mobile-webmail": { "2024-05": "n #1 #2" }
        },
        "orange": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-05": "n" },
          "macos": { "2024-05": "y" },
          "outlook-com": { "2024-05": "y" },
          "ios": { "2024-05": "y" },
          "android": { "2024-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-05": "n" },
          "ios": { "2024-05": "n" },
          "android": { "2024-05": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-05": "n" },
          "ios": { "2024-05": "n" },
          "android": { "2024-05": "n" }
        },
        "samsung-email": { "android": { "2024-05": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "protonmail": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "hey": { "desktop-webmail": { "2024-05": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-05": "y #4" } },
        "fastmail": { "desktop-webmail": { "2024-05": "u" } },
        "laposte": { "desktop-webmail": { "2021-08": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-05": "n #1 #4" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-05": "n #1 #4" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-05": "u" }, "android": { "2024-05": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. `columns` property is stripped which is required for `widows` to work",
        "2": "Buggy. `widows` property value is replaced by `auto`",
        "3": "Not supported, but Gmail's default styles on the email message container includes the `widows` property. These values are inherited by children elements",
        "4": "Webmail rendering depends on browser support"
      }
    },

    {
      "slug": "css-width",
      "title": "width property",
      "description": null,
      "url": "https://www.caniemail.com/features/css-width/",
      "category": "css",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-09-27",
      "test_url": "https://www.caniemail.com/tests/css-width-height.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/N3bgM8CXDd1TNWZzO65F0RkiJwugaAuNYr8mvcYt1C3Da/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-09": "y", "2021-03": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "a #1",
            "2010": "a #1",
            "2013": "a #1",
            "2016": "a #1",
            "2019": "a #1"
          },
          "windows-mail": { "2019-09": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "a #2" } },
        "gmx": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2021-12": "y" },
          "ios": { "2021-12": "y" },
          "android": { "2021-12": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2021-12": "y" }, "android": { "2021-12": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported on `<body>`, `<span>`, `<div>`, `<p>` or `<img>` elements.",
        "2": "Buggy. The webmail has a generic style that sets `table { width:inherit; }`."
      }
    },

    {
      "slug": "css-word-break",
      "title": "word-break",
      "description": "Prevents or allows words to be broken over multiple lines.",
      "url": "https://www.caniemail.com/features/css-word-break/",
      "category": "css",
      "tags": [],
      "keywords": "a, b, c",
      "last_test_date": "2022-02-15",
      "test_url": "https://www.caniemail.com/tests/css-word-break.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/9NBw8gAf2zJZOD57zwPqHjhsp7cfEOJLANCTkq3OFbZNR/list",
      "stats": {
        "apple-mail": { "macos": { "15": "a #2" }, "ios": { "15": "a #2" } },
        "gmail": {
          "desktop-webmail": { "2022-02": "y #1" },
          "ios": { "2022-02": "a #2" },
          "android": { "2022-02": "a #2" },
          "mobile-webmail": { "2022-02": "a #2" }
        },
        "orange": {
          "desktop-webmail": { "2022-02": "a #3" },
          "ios": { "2022-02": "n" },
          "android": { "2022-02": "n" }
        },
        "outlook": {
          "windows": { "2007": "u", "2010": "u", "2013": "u", "2016": "u", "2019": "y" },
          "windows-mail": { "2022-02": "n" },
          "macos": { "16.59": "y", "16.80": "a #2" },
          "outlook-com": { "2022-02": "a #2", "2024-01": "a #2" },
          "ios": { "2022-02": "a #2" },
          "android": { "2022-02": "a #2" }
        },
        "samsung-email": { "android": { "6.0": "a #2" } },
        "sfr": {
          "desktop-webmail": { "2022-02": "y" },
          "ios": { "2022-02": "y" },
          "android": { "2022-02": "y" }
        },
        "thunderbird": { "macos": { "78.14": "y" } },
        "aol": {
          "desktop-webmail": { "2022-02": "n" },
          "ios": { "2022-02": "n" },
          "android": { "2022-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-02": "n" },
          "ios": { "2022-02": "n" },
          "android": { "2022-02": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-02": "y" },
          "ios": { "2022-02": "a #2" },
          "android": { "2022-02": "a #2" }
        },
        "hey": { "desktop-webmail": { "2022-02": "a #4" } },
        "mail-ru": { "desktop-webmail": { "2022-02": "y" } },
        "fastmail": { "desktop-webmail": { "2022-02": "y" } },
        "laposte": { "desktop-webmail": { "2022-02": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Supported. But Gmail adds `<wbr>` every 30 characters.",
        "2": "Buggy. Supported but a `word-wrap:break-word` is applied, making it look like `break-all`.",
        "3": "Partially supported. Only `word-break:break-all` works.",
        "4": "Buggy. Every value is replaced by `break-word`."
      }
    },

    {
      "slug": "css-word-spacing",
      "title": "word-spacing",
      "description": "Sets the length of space between words and between tags.",
      "url": "https://www.caniemail.com/features/css-word-spacing/",
      "category": "css",
      "tags": [],
      "keywords": "word",
      "last_test_date": "2024-03-13",
      "test_url": "https://www.caniemail.com/tests/css-word-spacing.html",
      "test_results_url": "https://testi.at/proj/8r8pfrlvcxklca32ij",
      "stats": {
        "apple-mail": { "macos": { "2024-03": "y" }, "ios": { "2024-03": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "y" },
          "android": { "2024-03": "y" },
          "mobile-webmail": { "2024-03": "y" }
        },
        "orange": {
          "desktop-webmail": { "2024-03": "u" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "outlook": {
          "windows": { "2013": "n", "2016": "n", "2019": "n", "2021": "n" },
          "windows-mail": { "2024-03": "n" },
          "macos": { "2024-03": "y" },
          "outlook-com": { "2024-03": "y" },
          "ios": { "2024-03": "y" },
          "android": { "2024-03": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-03": "a #1" },
          "ios": { "2024-03": "a #1" },
          "android": { "2024-03": "n" }
        },
        "aol": {
          "desktop-webmail": { "2024-03": "a #1" },
          "ios": { "2024-03": "a #1" },
          "android": { "2024-03": "n" }
        },
        "samsung-email": { "android": { "2024-03": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "u" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "thunderbird": { "macos": { "2024-03": "y" } },
        "protonmail": {
          "desktop-webmail": { "2024-03": "u" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "hey": { "desktop-webmail": { "2024-03": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-03": "y" } },
        "fastmail": { "desktop-webmail": { "2024-03": "u" } },
        "laposte": { "desktop-webmail": { "2024-03": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-03": "a #1" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-03": "a #1" },
          "ios": { "2024-03": "u" },
          "android": { "2024-03": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-03": "u" }, "android": { "2024-03": "u" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Does not support `rem` and `ch` values." }
    },

    {
      "slug": "css-writing-mode",
      "title": "writing-mode",
      "description": "Sets whether lines of text are laid out horizontally or vertically.",
      "url": "https://www.caniemail.com/features/css-writing-mode/",
      "category": "css",
      "tags": ["i18n"],
      "keywords": null,
      "last_test_date": "2022-05-04",
      "test_url": "https://www.caniemail.com/tests/css-writing-mode.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Ingjv4scPnWSgh0u0Fr7EctmGksq4DyF7Pw9PQcENfZ37/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y", "15": "y" }, "ios": { "14": "y", "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2022-05": "y" },
          "ios": { "2022-05": "a #1" },
          "android": { "2022-05": "a #1" },
          "mobile-webmail": { "2022-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2022-05": "n" },
          "ios": { "2022-05": "n" },
          "android": { "2022-05": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2022-05": "n" },
          "macos": { "16.62": "y", "16.80": "y" },
          "outlook-com": { "2022-05": "y", "2024-01": "y" },
          "ios": { "2022-05": "y" },
          "android": { "2022-05": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2022-05": "y" },
          "ios": { "2022-05": "y" },
          "android": { "2022-05": "y" }
        },
        "thunderbird": { "macos": { "91.5.0": "y" } },
        "aol": {
          "desktop-webmail": { "2022-05": "n" },
          "ios": { "2022-05": "n" },
          "android": { "2022-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2022-05": "n" },
          "ios": { "2022-05": "n" },
          "android": { "2022-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2022-05": "y" },
          "ios": { "2022-05": "y" },
          "android": { "2022-05": "y" }
        },
        "hey": { "desktop-webmail": { "2022-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2022-05": "y" } },
        "fastmail": { "desktop-webmail": { "2022-05": "n" } },
        "laposte": { "desktop-webmail": { "2022-05": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-05": "n", "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "css-z-index",
      "title": "z-index",
      "description": "",
      "url": "https://www.caniemail.com/features/css-z-index/",
      "category": "css",
      "tags": [],
      "keywords": "absolute, sticky, fixed, relative, position",
      "last_test_date": "2021-05-16",
      "test_url": "https://www.caniemail.com/tests/css-positioning.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/E45AW3a9IiIhUSBpv3dc1qPfMiMN8mLepy5BsvqtpXhhy/list",
      "stats": {
        "apple-mail": { "macos": { "14": "y" }, "ios": { "14.5": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" },
          "mobile-webmail": { "2021-05": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2021-05": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2021-05": "y", "2024-01": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "hey": { "desktop-webmail": { "2021-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-abbr",
      "title": "<abbr> element",
      "description": "Represents an abbreviation or acronym.",
      "url": "https://www.caniemail.com/features/html-abbr/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-09-13",
      "test_url": "https://www.caniemail.com/tests/html-abbr.html",
      "test_results_url": "https://testi.at/proj/xlp4una8f926u48oco8",
      "stats": {
        "apple-mail": { "macos": { "2023-09": "y" }, "ios": { "2023-09": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" },
          "mobile-webmail": { "2023-09": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-10": "n" },
          "ios": { "2023-10": "n" },
          "android": { "2023-09": "u" }
        },
        "outlook": {
          "windows": { "2013": "n #1", "2016": "n #1", "2019": "n #1", "2021": "n #1" },
          "windows-mail": { "2023-09": "n #1" },
          "macos": { "2023-09": "y", "16.80": "y" },
          "outlook-com": { "2023-09": "y", "2024-01": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" }
        },
        "samsung-email": { "android": { "2023-09": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-10": "y" },
          "ios": { "2023-10": "y" },
          "android": { "2023-09": "u" }
        },
        "thunderbird": { "macos": { "2023-09": "y" } },
        "aol": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2023-10": "y" },
          "ios": { "2023-10": "y" },
          "android": { "2023-09": "u" }
        },
        "hey": { "desktop-webmail": { "2023-10": "n" } },
        "mail-ru": { "desktop-webmail": { "2023-09": "n" } },
        "fastmail": { "desktop-webmail": { "2023-10": "y" } },
        "laposte": { "desktop-webmail": { "2023-10": "y" } },
        "free-fr": { "desktop-webmail": { "2023-10": "y" } },
        "t-online-de": { "desktop-webmail": { "2023-09": "y" } },
        "gmx": { "desktop-webmail": { "2023-09": "y" } },
        "web-de": { "desktop-webmail": { "2023-09": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Buggy. Element's content are still kept." }
    },

    {
      "slug": "html-acronym",
      "title": "<acronym> element",
      "description": "Represents an abbreviation or acronym.",
      "url": "https://www.caniemail.com/features/html-acronym/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-01-03",
      "test_url": "https://www.caniemail.com/tests/html-acronym.html",
      "test_results_url": "https://testi.at/proj/ayebhgpxu58yce2bhd",
      "stats": {
        "apple-mail": { "macos": { "2024-01": "y" }, "ios": { "2024-01": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-01": "y" },
          "ios": { "2024-01": "y" },
          "android": { "2024-01": "y" },
          "mobile-webmail": { "2024-01": "y" }
        },
        "orange": {
          "desktop-webmail": { "2024-01": "u" },
          "ios": { "2024-01": "u" },
          "android": { "2024-01": "u" }
        },
        "outlook": {
          "windows": { "2013": "n #1", "2016": "n #1", "2019": "n #1", "2021": "n #1" },
          "windows-mail": { "2024-01": "n #1" },
          "macos": { "2024-01": "y" },
          "outlook-com": { "2024-01": "y" },
          "ios": { "2024-01": "y" },
          "android": { "2024-01": "y" }
        },
        "samsung-email": { "android": { "2024-01": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "y" },
          "android": { "2024-03": "y" }
        },
        "thunderbird": { "macos": { "2024-01": "y" } },
        "aol": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2024-01": "u" },
          "ios": { "2024-01": "u" },
          "android": { "2024-01": "u" }
        },
        "hey": { "desktop-webmail": { "2024-01": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-01": "n" } },
        "fastmail": { "desktop-webmail": { "2024-01": "u" } },
        "laposte": { "desktop-webmail": { "2024-01": "u" } },
        "free-fr": { "desktop-webmail": { "2024-01": "u" } },
        "t-online-de": { "desktop-webmail": { "2024-01": "y" } },
        "gmx": { "desktop-webmail": { "2024-01": "y" } },
        "web-de": { "desktop-webmail": { "2024-01": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Buggy. `title` attribute is removed but keeps `<acronym>` tag." }
    },

    {
      "slug": "html-address",
      "title": "address",
      "description": "",
      "url": "https://www.caniemail.com/features/html-address/",
      "category": "html",
      "tags": [],
      "keywords": "address",
      "last_test_date": "2021-01-17",
      "test_url": "https://www.caniemail.com/tests/html-semantics.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/uAHFDBWoBklNKrU9rSxERL50IkROvrLzZwLsnNWV5V2tn/list",
      "stats": {
        "apple-mail": {
          "macos": { "11": "y", "12": "y", "13": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" },
          "mobile-webmail": { "2020-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-12": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-12": "y", "2024-04": "n" },
          "android": { "2020-12": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2020-12": "y" },
          "macos": { "2020-12": "y", "16.80": "y" },
          "outlook-com": { "2020-12": "y", "2024-01": "y" },
          "ios": { "2020-12": "y" },
          "android": { "4.2048.4": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "6.16.2.1519779": "y" }
        },
        "aol": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "samsung-email": { "android": { "6.1.31.": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "thunderbird": { "macos": { "78.5": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "hey": { "desktop-webmail": { "2020-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-12": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n #1" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n #1" }
        },
        "ionos-1and1": {
          "desktop-webmail": { "2022-11": "n #1" },
          "android": { "2022-11": "n #1" }
        }
      },
      "notes": null,
      "notes_by_num": { "1": "Unsupported opening and closing tags are stripped." }
    },

    {
      "slug": "html-align",
      "title": "align attribute",
      "description": "This deprecated HTML attribute indicates how an element can be aligned, either horizontally (`left`, `center` or `right`) or vertically for elements like images (`top`, `middle`, `bottom`).",
      "url": "https://www.caniemail.com/features/html-align/",
      "category": "html",
      "tags": [],
      "keywords": "left, center, right",
      "last_test_date": "2021-11-10",
      "test_url": "https://www.caniemail.com/tests/html-align.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/00FrYZOGg0JvRT2Q0A5jI1jJFZ1cOzDvhWFMdE5883gj3/list",
      "stats": {
        "apple-mail": { "macos": { "15": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" },
          "mobile-webmail": { "2021-11": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2021-11": "y" },
          "macos": { "16.56": "y", "16.80": "a #3" },
          "outlook-com": { "2021-11": "y", "2024-01": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "thunderbird": { "macos": { "78.14": "y" } },
        "aol": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-11": "a #1" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "hey": { "desktop-webmail": { "2021-11": "a #2" } },
        "mail-ru": { "desktop-webmail": { "2021-11": "y" } },
        "fastmail": { "desktop-webmail": { "2021-11": "y" } },
        "laposte": { "desktop-webmail": { "2021-11": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. `<img>` elements are wrapped in a `<span>` so `left` and `right` values have no effect.",
        "2": "Partial. Not supported on `<img>` elements.",
        "3": "Partial. `left` and `right` do not work on `<table>` elements. Use `float:left` or `float:right` styles instead."
      }
    },

    {
      "slug": "html-anchor-links",
      "title": "Local anchors",
      "description": "",
      "url": "https://www.caniemail.com/features/html-anchor-links/",
      "category": "html",
      "tags": [],
      "keywords": "hash, fragment identifiers, URLs, URIs, document fragments, local, named, anchor, anchors, links",
      "last_test_date": "2019-08-08",
      "test_url": "https://www.caniemail.com/tests/html-anchor-links.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/lvP3Vdg0qtue1RAuGTjzEXl19nfCJu3TVV4lLdzwdqQk5/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y #6" }, "ios": { "12.4": "n #3", "15.0": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-08": "y #7" },
          "ios": { "2019-08": "n #3" },
          "android": { "2019-08": "y #6" },
          "mobile-webmail": { "2020-02": "y #7" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "a #1", "2021-03": "n", "2024-04": "n #8" },
          "ios": { "2019-08": "n #3", "2024-04": "n" },
          "android": { "2019-08": "y", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "u",
            "2007": "y #7",
            "2010": "y #7",
            "2013": "y #7",
            "2016": "y #7",
            "2019": "y #7"
          },
          "windows-mail": { "2020-01": "y #7" },
          "macos": { "2019": "n", "2023": "y", "16.80": "y" },
          "outlook-com": { "2019-08": "y", "2024-01": "y" },
          "ios": { "2019-08": "n #3" },
          "android": { "2019-08": "n #3" }
        },
        "samsung-email": { "android": { "6.0": "n #3" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "n #2" },
          "ios": { "2019-08": "n #4" },
          "android": { "2019-08": "n #3" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2020-01": "a #7" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-08": "a #7" },
          "ios": { "2019-08": "n #5" },
          "android": { "2019-08": "n #3" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y #7 #9" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. `target=_blank` is added on links so anchors open in a new window.",
        "2": "Buggy. Anchor links go back to the homepage of the webmail because it also uses anchor links for navigation.",
        "3": "Buggy. Clicking an anchor link does nothing.",
        "4": "Buggy. Opens a new browser window with the anchor as a URL.",
        "5": "Buggy. Opens a new in-app browser window on yahoo.com with the anchor appended to the URL.",
        "6": "Buggy. Targeted content is partially hidden by the application UI on top.",
        "7": "Partial. Works when targeting an empty anchor with the corresponding `name` attribute, but not with `id` attributes.",
        "8": "Not supported. Opens a new window with the same email.",
        "9": "The `name` and `href` attributes are prefixed by a specific `mailruanchor_` prefix."
      }
    },

    {
      "slug": "html-aria-describedby",
      "title": "aria-describedby attribute",
      "description": "",
      "url": "https://www.caniemail.com/features/html-aria-describedby/",
      "category": "html",
      "tags": ["accessibility"],
      "keywords": "accessibility, a11y, wai-aria",
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/html-ARIA.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/7YEJc8itgQA23oSz9yaDB2rg6MHiItQgtKbflcOSjNx48/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n #1" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" },
          "mobile-webmail": { "2020-02": "n #1" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "n", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "thunderbird": { "macos": { "60.8": "n" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n #1" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n #1" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. `id` prefix mismatched. The `id` value is prefixed but not the `aria-describedby` value."
      }
    },

    {
      "slug": "html-aria-hidden",
      "title": "aria-hidden attribute",
      "description": "",
      "url": "https://www.caniemail.com/features/html-aria-hidden/",
      "category": "html",
      "tags": ["accessibility"],
      "keywords": "accessibility, a11y, wai-aria",
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/html-ARIA.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/7YEJc8itgQA23oSz9yaDB2rg6MHiItQgtKbflcOSjNx48/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "thunderbird": { "macos": { "60.8": "n" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "n" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-aria-label",
      "title": "aria-label attribute",
      "description": "",
      "url": "https://www.caniemail.com/features/html-aria-label/",
      "category": "html",
      "tags": ["accessibility"],
      "keywords": "accessibility, a11y, wai-aria",
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/html-ARIA.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/7YEJc8itgQA23oSz9yaDB2rg6MHiItQgtKbflcOSjNx48/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "thunderbird": { "macos": { "60.8": "n" } },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "n" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-aria-labelledby",
      "title": "aria-labelledby attribute",
      "description": "",
      "url": "https://www.caniemail.com/features/html-aria-labelledby/",
      "category": "html",
      "tags": ["accessibility"],
      "keywords": "accessibility, a11y, wai-aria",
      "last_test_date": "2022-04-08",
      "test_url": "https://www.caniemail.com/tests/html-ARIA.html",
      "test_results_url": "https://testi.at/proj/zxzI0MZSJwpF46bHbO6C1gOiVn",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n", "2022-04": "n #2" },
          "ios": { "2020-01": "y", "2022-04": "n #2" },
          "android": { "2020-01": "y", "2022-04": "n #2" },
          "mobile-webmail": { "2020-02": "y", "2022-04": "n #1" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2007": "n #1",
            "2010": "n #1",
            "2013": "n #1",
            "2016": "n #1",
            "2019": "n #1"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2019-02": "y", "2024-01": "y" },
          "outlook-com": { "2019-02": "n #2", "2024-02": "n #2" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "thunderbird": { "macos": { "60.8": "n" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n #2" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. `id` is removed.",
        "2": "Buggy. `id` prefix mismatched. The `id` value is prefixed but not the `aria-labelledby` value."
      }
    },

    {
      "slug": "html-aria-live",
      "title": "aria-live attribute",
      "description": "",
      "url": "https://www.caniemail.com/features/html-aria-live/",
      "category": "html",
      "tags": ["accessibility"],
      "keywords": "accessibility, a11y, wai-aria",
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/html-ARIA.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/7YEJc8itgQA23oSz9yaDB2rg6MHiItQgtKbflcOSjNx48/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2019-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2007": "a #2",
            "2010": "a #2",
            "2013": "a #2",
            "2016": "a #2",
            "2019": "a #2"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2019-02": "y", "16.80": "n" },
          "outlook-com": { "2019-02": "n", "2024-01": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "thunderbird": { "macos": { "60.8": "n" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Unable to trigger live change to test.",
        "2": "Code isn't stripped but can't trigger a live change."
      }
    },

    {
      "slug": "html-audio",
      "title": "<audio> element",
      "description": "This is the description of the `<audio>` element.",
      "url": "https://www.caniemail.com/features/html-audio/",
      "category": "html",
      "tags": [],
      "keywords": "audio",
      "last_test_date": "2020-04-21",
      "test_url": "https://www.caniemail.com/tests/html-audio.html",
      "test_results_url": null,
      "stats": {
        "apple-mail": {
          "macos": { "10.15": "y" },
          "ios": { "11.3.1": "y", "12": "y", "13.1": "y", "13.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2020-04": "n" },
          "ios": { "2020-04": "n" },
          "android": { "2020-04": "n" },
          "mobile-webmail": { "2020-04": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-04": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-04": "n #3", "2024-04": "n" },
          "android": { "2020-04": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-04": "n" },
          "macos": { "2016": "y #1", "2019": "n", "16.80": "n" },
          "outlook-com": { "2020-04": "n", "2021-05": "n #4", "2024-01": "n #4" },
          "ios": { "2020-04": "n", "2021-05": "n #4" },
          "android": { "2020-04": "n", "2021-05": "n #4" }
        },
        "samsung-email": { "android": { "6.0": "y", "7.0": "y", "9.0": "y", "10.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" }, "windows": { "60": "y" } },
        "aol": {
          "desktop-webmail": { "2020-04": "n" },
          "ios": { "2020-04": "n" },
          "android": { "2020-04": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-04": "n" },
          "ios": { "2020-04": "n" },
          "android": { "2020-04": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-04": "n #2" },
          "ios": { "2020-04": "n" },
          "android": { "2020-04": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n #5" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #6" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "n #3" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "n #3" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n #5" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Does not play.",
        "2": "The `src` attribute is transformed into `proton-src`.",
        "3": "The `<audio>` element is supported but can not be played.",
        "4": "The `<audio>` element is supported, but the video can not play due to a strict Content Security Policy.",
        "5": "Not supported. The `<audio>` element and all its content is removed.",
        "6": "Not supported. The `src` attribute is replaced by `data-src`."
      }
    },

    {
      "slug": "html-background",
      "title": "background attribute",
      "description": "The HTML `background` attribute can only be used on `<body>`, `<table>`, `<td>` and `<th>` elements.",
      "url": "https://www.caniemail.com/features/html-background/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-background.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a #1" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "outlook": {
          "windows": {
            "2007": "a #2",
            "2010": "a #2",
            "2013": "a #2",
            "2016": "a #2",
            "2019": "a #2"
          },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0.04.6": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-08": "y" },
          "ios": { "2019-08": "y" },
          "android": { "2019-08": "y" }
        },
        "thunderbird": { "macos": { "60.5.0": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "t-online-de": { "desktop-webmail": { "2021-11": "y" } },
        "free-fr": { "desktop-webmail": { "2021-11": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Partial. Only supported on the `<body>` element."
      }
    },

    {
      "slug": "html-base",
      "title": "<base>",
      "description": "Specifies the base URL to use for all relative URLs in a document.",
      "url": "https://www.caniemail.com/features/html-base/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-12-01",
      "test_url": "https://www.caniemail.com/tests/html-base.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/4H7Qbzi9dS5UOKS1db7w5SIbkPVfIlbAM3UCFi8FOnhA8/list",
      "stats": {
        "apple-mail": { "macos": { "15": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-12": "a #1" },
          "ios": { "2021-12": "a #1" },
          "android": { "2021-12": "a #1" },
          "mobile-webmail": { "2021-12": "a #1" }
        },
        "orange": {
          "desktop-webmail": { "2021-12": "a #1", "2024-04": "n #1" },
          "ios": { "2021-12": "n", "2024-04": "n" },
          "android": { "2021-12": "n", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "u",
            "2007": "u",
            "2010": "u",
            "2013": "u",
            "2016": "u",
            "2019": "y"
          },
          "windows-mail": { "2021-12": "n" },
          "macos": { "16.56": "y", "16.80": "a #1" },
          "outlook-com": { "2021-12": "a #1", "2024-01": "a #1" },
          "ios": { "2021-12": "a #1 #2" },
          "android": { "2021-12": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-12": "n" },
          "ios": { "2021-12": "n" },
          "android": { "2021-12": "n" }
        },
        "thunderbird": { "macos": { "91.2": "y" } },
        "aol": {
          "desktop-webmail": { "2021-12": "a #1 #3 #4" },
          "ios": { "2021-12": "a #1 #3 #4" },
          "android": { "2021-12": "a #1 #3 #4" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-12": "a #1 #3 #4" },
          "ios": { "2021-12": "a #1 #3 #4" },
          "android": { "2021-12": "a #1 #3 #4" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-12": "a" },
          "ios": { "2021-12": "n" },
          "android": { "2021-12": "n" }
        },
        "hey": { "desktop-webmail": { "2021-12": "a #1" } },
        "mail-ru": { "desktop-webmail": { "2021-12": "n" } },
        "fastmail": { "desktop-webmail": { "2021-12": "a #1 #4" } },
        "laposte": { "desktop-webmail": { "2021-12": "n" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. The element is removed but URLs are turned into links with `href` attribute.",
        "2": "Buggy. URLs are computed based on the first `<base>` element found in the `<body>`.",
        "3": "Buggy. URLs are computed based on the last `<base>` element found in the `<body>`.",
        "4": "Buggy. Not supported for local anchor links."
      }
    },

    {
      "slug": "html-bdi",
      "title": "<bdi> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-bdi/",
      "category": "html",
      "tags": ["i18n"],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/HTML5.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Bzyzx8Z5Kvlfib1Fw9Ted8xtPE26RcjPSdUobdUywgJVm/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "n" },
          "outlook-com": { "2019-02": "n", "2024-01": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-blockquote",
      "title": "<blockquote> element",
      "description": null,
      "url": "https://www.caniemail.com/features/html-blockquote/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-05-08",
      "test_url": "https://www.caniemail.com/tests/html-semantics.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/IulqGoKCPriLhe6DbI1dWmF2AjH535vSIujVufxhenXVC/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" },
          "mobile-webmail": { "2020-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-05": "y", "2021-03": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2020-05": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-05": "y", "2024-01": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "a #1" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Buggy. Blockquote elements are nested in a `<details>` element." }
    },

    {
      "slug": "html-body",
      "title": "<body> element",
      "description": "Represents the content of an HTML document.",
      "url": "https://www.caniemail.com/features/html-body/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-11-30",
      "test_url": "https://www.caniemail.com/tests/html-body.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/M1w9fKYqtXsrlJ2mlElp9b2RoSd7lDcWwftkDazPgy4hm/list",
      "stats": {
        "apple-mail": { "macos": { "15": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-11": "a #1" },
          "ios": { "2021-11": "a #1" },
          "android": { "2021-11": "a #1" },
          "mobile-webmail": { "2021-11": "a #1" }
        },
        "orange": {
          "desktop-webmail": { "2021-11": "a #1" },
          "ios": { "2021-11": "a #1" },
          "android": { "2021-11": "a #1" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2021-11": "y" },
          "macos": { "16.56": "y", "16.80": "n" },
          "outlook-com": { "2021-11": "a #1", "2024-01": "a #1" },
          "ios": { "2021-11": "n" },
          "android": { "2021-11": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-11": "n" },
          "ios": { "2021-11": "n" },
          "android": { "2021-11": "n" }
        },
        "thunderbird": { "macos": { "78.14": "y" } },
        "aol": {
          "desktop-webmail": { "2021-11": "a #1" },
          "ios": { "2021-11": "n" },
          "android": { "2021-11": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-11": "a #1" },
          "ios": { "2021-11": "n" },
          "android": { "2021-11": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-11": "n" },
          "ios": { "2021-11": "n" },
          "android": { "2021-11": "n" }
        },
        "hey": { "desktop-webmail": { "2021-11": "a #1" } },
        "mail-ru": { "desktop-webmail": { "2021-11": "n" } },
        "fastmail": { "desktop-webmail": { "2021-11": "n" } },
        "laposte": { "desktop-webmail": { "2021-11": "n" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Replaced by a `<div>` with supported attributes." }
    },

    {
      "slug": "html-button-reset",
      "title": "<button type=\"reset\"> element",
      "description": "HTML button type reset",
      "url": "https://www.caniemail.com/features/html-button-reset/",
      "category": "html",
      "tags": [],
      "keywords": "form, reset, button",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y", "12.4": "y" },
          "ios": { "10.3": "y", "12.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "a #1" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "y", "2021-03": "y", "2024-04": "y" },
          "ios": { "2020-01": "y", "2024-04": "y" },
          "android": { "2020-01": "y", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-06": "n" },
          "android": { "2019-06": "y" }
        },
        "samsung-email": { "android": { "6.0": "y", "9.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "a #3" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "68.4": "a #2" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "n" },
          "ios": { "2019-09": "n" },
          "android": { "2019-09": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "n" },
          "ios": { "2019-09": "n" },
          "android": { "2019-09": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "a #2" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "a #3" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Buggy. Interacting with the element submits the form it belongs in.",
        "3": "Partial. The element is present but is not interactive."
      }
    },

    {
      "slug": "html-button-submit",
      "title": "<button type=\"submit\"> element",
      "description": "HTML button type submit",
      "url": "https://www.caniemail.com/features/html-button-submit/",
      "category": "html",
      "tags": [],
      "keywords": "form, submit, button",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y", "12.4": "y" },
          "ios": { "10.3": "y", "12.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "a #1" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "y", "2021-03": "y", "2024-04": "y" },
          "ios": { "2020-01": "y", "2024-04": "y" },
          "android": { "2020-01": "y", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "n", "2016": "n", "2019": "n", "16.80": "n" },
          "outlook-com": { "2019-09": "y", "2024-01": "n" },
          "ios": { "2019-06": "n" },
          "android": { "2019-06": "y" }
        },
        "samsung-email": { "android": { "6.0": "y", "9.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "a #2" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "68.4": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "n" },
          "android": { "2019-09": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "a #2" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "a #2" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Partial. The element is present but is not interactive."
      }
    },

    {
      "slug": "html-cellpadding",
      "title": "cellpadding attribute",
      "description": "Represents the padding around the individual cells of the table",
      "url": "https://www.caniemail.com/features/html-cellpadding/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-05-01",
      "test_url": "https://www.caniemail.com/tests/html-cellspacing.html",
      "test_results_url": "https://testi.at/proj/rlpatnzxf3eyce9oc3",
      "stats": {
        "apple-mail": { "macos": { "2024-05": "y" }, "ios": { "2024-05": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-05": "y" },
          "ios": { "2024-05": "y" },
          "android": { "2024-05": "y" },
          "mobile-webmail": { "2024-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "outlook": {
          "windows": { "2013": "y", "2016": "y", "2019": "y", "2021": "y" },
          "windows-mail": { "2024-05": "y" },
          "macos": { "2024-05": "y" },
          "outlook-com": { "2024-05": "y", "2024-01": "y" },
          "ios": { "2024-05": "y" },
          "android": { "2024-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-05": "y" },
          "ios": { "2024-05": "y" },
          "android": { "2024-05": "y" }
        },
        "aol": {
          "desktop-webmail": { "2024-05": "y" },
          "ios": { "2024-05": "y" },
          "android": { "2024-05": "y" }
        },
        "samsung-email": { "android": { "2024-05": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "thunderbird": { "macos": { "2024-05": "y" } },
        "protonmail": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "hey": { "desktop-webmail": { "2024-05": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-05": "y" } },
        "fastmail": { "desktop-webmail": { "2024-05": "u" } },
        "laposte": { "desktop-webmail": { "2024-05": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-05": "y" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-05": "y" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-05": "u" }, "android": { "2024-05": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-cellspacing",
      "title": "cellspacing attribute",
      "description": "Represents the spacing around the individual `<th>` and `<td>` elements",
      "url": "https://www.caniemail.com/features/html-cellspacing/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-05-01",
      "test_url": "https://www.caniemail.com/tests/html-cellspacing.html",
      "test_results_url": "https://testi.at/proj/rlpatnzxf3eyce9oc3",
      "stats": {
        "apple-mail": { "macos": { "2024-05": "y" }, "ios": { "2024-05": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-05": "y" },
          "ios": { "2024-05": "y" },
          "android": { "2024-05": "y" },
          "mobile-webmail": { "2024-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "outlook": {
          "windows": { "2013": "y", "2016": "y", "2019": "y", "2021": "y" },
          "windows-mail": { "2024-05": "y" },
          "macos": { "2024-05": "y" },
          "outlook-com": { "2024-05": "y", "2024-01": "y" },
          "ios": { "2024-05": "y" },
          "android": { "2024-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-05": "y" },
          "ios": { "2024-05": "y" },
          "android": { "2024-05": "y" }
        },
        "aol": {
          "desktop-webmail": { "2024-05": "y" },
          "ios": { "2024-05": "y" },
          "android": { "2024-05": "y" }
        },
        "samsung-email": { "android": { "2024-05": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "thunderbird": { "macos": { "2024-05": "y" } },
        "protonmail": {
          "desktop-webmail": { "2024-05": "u" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "hey": { "desktop-webmail": { "2024-05": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-05": "y" } },
        "fastmail": { "desktop-webmail": { "2024-05": "u" } },
        "laposte": { "desktop-webmail": { "2024-05": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-05": "y" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-05": "y" },
          "ios": { "2024-05": "u" },
          "android": { "2024-05": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-05": "u" }, "android": { "2024-05": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-code",
      "title": "<code> element",
      "description": "A short fragment of computer code.",
      "url": "https://www.caniemail.com/features/html-code/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-04-25",
      "test_url": "https://www.caniemail.com/tests/html-code.html",
      "test_results_url": "https://testi.at/proj/VpMij9qijz7SbpecQE7ubxbhQl",
      "stats": {
        "apple-mail": { "macos": { "2023-04": "y" }, "ios": { "2023-04": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-04": "y" },
          "ios": { "2023-04": "y" },
          "android": { "2023-04": "y" },
          "mobile-webmail": { "2023-04": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-05": "n #1" },
          "ios": { "2023-05": "n #1" },
          "android": { "2023-05": "n #1" }
        },
        "outlook": {
          "windows": { "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2023-04": "y" },
          "macos": { "16.56": "y", "16.80": "y" },
          "outlook-com": { "2023-04": "y", "2024-01": "y" },
          "ios": { "2023-04": "y" },
          "android": { "2023-04": "y" }
        },
        "samsung-email": { "android": { "2023-04": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-05": "y" },
          "ios": { "2023-05": "y" },
          "android": { "2023-05": "y" }
        },
        "thunderbird": { "macos": { "102.10.1": "y" } },
        "aol": {
          "desktop-webmail": { "2023-05": "y" },
          "ios": { "2023-05": "y" },
          "android": { "2023-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-04": "y" },
          "ios": { "2023-04": "y" },
          "android": { "2023-04": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2023-05": "y" },
          "ios": { "2023-05": "y" },
          "android": { "2023-05": "y" }
        },
        "hey": { "desktop-webmail": { "2023-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2023-04": "y" } },
        "fastmail": { "desktop-webmail": { "2023-05": "y" } },
        "laposte": { "desktop-webmail": { "2023-05": "y" } },
        "free-fr": { "desktop-webmail": { "2023-05": "y" } },
        "t-online-de": { "desktop-webmail": { "2023-05": "y" } },
        "gmx": { "desktop-webmail": { "2023-04": "y" } },
        "web-de": { "desktop-webmail": { "2023-04": "u" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Not supported. The tags are removed but the content is kept." }
    },

    {
      "slug": "html-comments",
      "title": "HTML comments",
      "description": "Adds explanatory notes to the code or to prevent the browser from interpreting specific parts of the style sheet",
      "url": "https://www.caniemail.com/features/html-comments/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2024-05-1",
      "test_url": "https://www.caniemail.com/tests/css-comments.html",
      "test_results_url": "https://testi.at/proj/n4ayign05k6cozot6",
      "stats": {
        "apple-mail": { "macos": { "2024-04": "y" }, "ios": { "2024-04": "y" } },
        "gmail": {
          "desktop-webmail": { "2024-04": "y" },
          "ios": { "2024-04": "y" },
          "android": { "2024-04": "y" },
          "mobile-webmail": { "2024-04": "y" }
        },
        "orange": {
          "desktop-webmail": { "2024-04": "u" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "outlook": {
          "windows": { "2013": "y", "2016": "y", "2019": "y", "2021": "y" },
          "windows-mail": { "2024-04": "y" },
          "macos": { "2024-04": "y" },
          "outlook-com": { "2024-04": "y", "2024-01": "y" },
          "ios": { "2024-04": "y" },
          "android": { "2024-04": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-04": "y" },
          "ios": { "2024-04": "y" },
          "android": { "2024-04": "y" }
        },
        "aol": {
          "desktop-webmail": { "2024-04": "y" },
          "ios": { "2024-04": "y" },
          "android": { "2024-04": "y" }
        },
        "samsung-email": { "android": { "2024-04": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-04": "u" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "thunderbird": { "macos": { "2024-04": "y" } },
        "protonmail": {
          "desktop-webmail": { "2024-04": "u" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "hey": { "desktop-webmail": { "2024-04": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-04": "y" } },
        "fastmail": { "desktop-webmail": { "2024-04": "u" } },
        "laposte": { "desktop-webmail": { "2024-04": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-04": "y" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-04": "y" },
          "ios": { "2024-04": "u" },
          "android": { "2024-04": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-04": "u" }, "android": { "2024-04": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-del",
      "title": "<del> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-del/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-text.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/DkqbHs69ek5UnK6uhZ7Uj0n5GVQNTP4Z1FvgXvnKyEoTM/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a #1", "2023-03": "y" },
          "android": { "2019-02": "a #1", "2023-03": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "y", "2021-03": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2019-02": "y" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "68.4": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "html-dfn",
      "title": "<dfn> element",
      "description": "It is used to identify a term that is going to be described within the content.",
      "url": "https://www.caniemail.com/features/html-dfn/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-09-11",
      "test_url": "https://www.caniemail.com/tests/html-dfn.html",
      "test_results_url": "https://testi.at/proj/gy2dfo4j19d4176d08y",
      "stats": {
        "apple-mail": { "macos": { "2023-09": "y" }, "ios": { "2023-09": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" },
          "mobile-webmail": { "2023-09": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-09": "u" },
          "ios": { "2023-09": "u" },
          "android": { "2023-09": "u" }
        },
        "outlook": {
          "windows": { "2013": "a #1", "2016": "a #1", "2019": "a #1", "2021": "a #1" },
          "windows-mail": { "2023-09": "a #1" },
          "macos": { "16.56": "y", "16.80": "y" },
          "outlook-com": { "2023-09": "y", "2024-01": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" }
        },
        "samsung-email": { "android": { "2023-09": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "y" },
          "android": { "2024-03": "y" }
        },
        "thunderbird": { "macos": { "2023-09": "y" } },
        "aol": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2023-09": "u" },
          "ios": { "2023-09": "u" },
          "android": { "2023-09": "u" }
        },
        "hey": { "desktop-webmail": { "2023-09": "u" } },
        "mail-ru": { "desktop-webmail": { "2023-09": "n" } },
        "fastmail": { "desktop-webmail": { "2023-09": "u" } },
        "laposte": { "desktop-webmail": { "2023-09": "u" } },
        "free-fr": { "desktop-webmail": { "2023-09": "u" } },
        "t-online-de": { "desktop-webmail": { "2023-09": "n" } },
        "gmx": { "desktop-webmail": { "2023-09": "y" } },
        "web-de": { "desktop-webmail": { "2023-09": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. The `title` attribute is removed." }
    },

    {
      "slug": "html-dialog",
      "title": "<dialog> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-dialog/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/HTML5.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Bzyzx8Z5Kvlfib1Fw9Ted8xtPE26RcjPSdUobdUywgJVm/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2020-01": "y" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "n" },
          "outlook-com": { "2019-02": "n", "2024-01": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-dir",
      "title": "dir attribute",
      "description": "Indicates the directionality of the element's text.",
      "url": "https://www.caniemail.com/features/html-dir/",
      "category": "html",
      "tags": ["i18n"],
      "keywords": "direction, ltr, rtl",
      "last_test_date": "2021-11-01",
      "test_url": "https://www.caniemail.com/tests/css-direction.html",
      "test_results_url": "https://testi.at/proj/onwCpJ1Hp7mc8XYhbvUVbvHoM",
      "stats": {
        "apple-mail": { "macos": { "14": "y" }, "ios": { "15": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" },
          "mobile-webmail": { "2021-10": "a #1" }
        },
        "orange": {
          "desktop-webmail": { "2021-10": "a #2", "2024-04": "a #2" },
          "ios": { "2021-10": "y", "2024-04": "a #2" },
          "android": { "2021-10": "y", "2024-04": "a #2" }
        },
        "outlook": {
          "windows": {
            "2007": "a #3 #4",
            "2010": "a #3",
            "2013": "a #3",
            "2016": "a #3",
            "2019": "a #3"
          },
          "windows-mail": { "2021-10": "a #3" },
          "macos": { "16.55": "y", "16.80": "y" },
          "outlook-com": { "2021-10": "y", "2024-01": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "thunderbird": { "macos": { "78.14": "y" } },
        "aol": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "y" },
          "android": { "2021-10": "y" }
        },
        "hey": { "desktop-webmail": { "2021-10": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-10": "y" } },
        "laposte": { "desktop-webmail": { "2021-10": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. The client applies an `rtl` direction to the entire email if it contains text in a `rtl` language.",
        "2": "Partial. Removed from `<table>` and `<td>` elements.",
        "3": "Buggy on anchor `<a>` tags.",
        "4": "Buggy. LTR text in `[dir=rtl]` (and vice versa) is rendered with reversed word order."
      }
    },

    {
      "slug": "html-div",
      "title": "<div> element",
      "description": null,
      "url": "https://www.caniemail.com/features/html-div/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-05-08",
      "test_url": "https://www.caniemail.com/tests/html-semantics.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/IulqGoKCPriLhe6DbI1dWmF2AjH535vSIujVufxhenXVC/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" },
          "mobile-webmail": { "2020-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-05": "y", "2021-03": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2020-05": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-05": "y", "2024-01": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": "This page reflects support for the `<div>` semantic HTML element. But in order to support _the Outlooks_ (2007-2019) on Windows, it is still recommended to use tables.",
      "notes_by_num": null
    },

    {
      "slug": "html-doctype",
      "title": "HTML5 doctype",
      "description": null,
      "url": "https://www.caniemail.com/features/html-doctype/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-07-25",
      "test_url": "https://www.caniemail.com/tests/html-doctype.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/aBmEH3dY9eBopWg9Qzf14ZZYy3Wmllacb9lbenpbCRhth/list",
      "stats": {
        "apple-mail": { "macos": { "10.3": "y" }, "ios": { "10.3": "y", "12.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-07": "y" },
          "ios": { "2019-07": "y" },
          "android": { "2019-07": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-07": "y", "2021-03": "y", "2024-04": "y" },
          "ios": { "2019-07": "n", "2024-04": "n" },
          "android": { "2019-07": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "a #3",
            "2007": "n #2",
            "2010": "n #2",
            "2013": "n #2",
            "2016": "n #2",
            "2019": "n #2"
          },
          "windows-mail": { "2020-01": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-07": "y", "2024-01": "y" },
          "ios": { "2019-07": "a #1", "2021-11": "y" },
          "android": { "2019-07": "a #1", "2021-11": "y" }
        },
        "samsung-email": { "android": { "6.0": "n" } },
        "sfr": {
          "desktop-webmail": { "2019-07": "y" },
          "ios": { "2019-07": "n" },
          "android": { "2019-07": "y" }
        },
        "thunderbird": { "macos": { "60.3": "n #1" } },
        "aol": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-07": "y" },
          "ios": { "2019-07": "y" },
          "android": { "2019-07": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. Renders as if there was no doctype with an Outlook email, and in HTML5 otherwise.",
        "2": "Not supported. The HTML5 doctype has no impact here.",
        "3": "Partial support. Depends on the version of Internet Explorer installed."
      }
    },

    {
      "slug": "html-form",
      "title": "<form> element",
      "description": "The ability to submit an HTML form via email, this requires support of at least one form element, at least one form method and either input submit or button submit to pass data to an end point.",
      "url": "https://www.caniemail.com/features/html-form/",
      "category": "html",
      "tags": [],
      "keywords": "form",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y", "12.4": "y" },
          "ios": { "10.3": "y", "12.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "a #1" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "n #4", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "n #4", "2024-04": "n" },
          "android": { "2020-01": "n #4", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "n", "2016": "n", "2019": "n", "16.80": "a #6" },
          "outlook-com": { "2019-02": "y #2", "2019-10": "a #2 #3", "2024-01": "a #6" },
          "ios": { "2019-06": "y" },
          "android": { "2019-06": "y" }
        },
        "samsung-email": { "android": { "6.0": "y", "9.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "n #4" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "68.4": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "n" },
          "android": { "2019-09": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n #5" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n #6" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #4" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Does not submit in iOS with non Google accounts.",
        "2": "On submit name values are prefixed with `x_`.",
        "3": "Does not submit in preview pane, but does when the email is opened in a new window.",
        "4": "Not supported. `<form>` is transformed into `<noform>`.",
        "5": "Not supported. The `<form>` and its entire content is removed.",
        "6": "Not supported. The `<form>` is there but values are not submitted."
      }
    },

    {
      "slug": "html-h1-h6",
      "title": "<h1> to <h6> elements",
      "description": "Support for headings elements in HTML: `<h1>`, `<h2>`, `<h3>`, `<h4>`, `<h5>`, `<h6>`.",
      "url": "https://www.caniemail.com/features/html-h1-h6/",
      "category": "html",
      "tags": [],
      "keywords": "headings, h1, h2, h3, h4, h5, h6",
      "last_test_date": "2020-05-08",
      "test_url": "https://www.caniemail.com/tests/html-semantics.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/IulqGoKCPriLhe6DbI1dWmF2AjH535vSIujVufxhenXVC/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" },
          "mobile-webmail": { "2020-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-05": "y", "2021-03": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2020-05": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-05": "y", "2024-01": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y #1" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "The webmail sets `<h1>` to `color:#fff` and `<h2>` to `background:#354963`."
      }
    },

    {
      "slug": "html-height",
      "title": "height attribute",
      "description": null,
      "url": "https://www.caniemail.com/features/html-height/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-09-27",
      "test_url": "https://www.caniemail.com/tests/css-width-height.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/UhsQmS14DHKFfotKEcCTnWaoAiS24FJMiApZ1OtmHR7vs/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-09": "y", "2021-03": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "a #1 #2",
            "2010": "a #1 #2",
            "2013": "a #1 #2",
            "2016": "a #1 #2",
            "2019": "a #1 #2"
          },
          "windows-mail": { "2019-09": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. Percentage width on `<img>` elements are based on the physical file's width, not on the parent element's width.",
        "2": "Buggy. Sizes set in attributes don't scale in 120 dpi mode."
      }
    },

    {
      "slug": "html-hidden",
      "title": "hidden attribute",
      "description": "The global HTML `hidden` attribute",
      "url": "https://www.caniemail.com/features/html-hidden/",
      "category": "html",
      "tags": ["accessibility"],
      "keywords": null,
      "last_test_date": "2024-01-26",
      "test_url": "https://www.caniemail.com/tests/html-hidden-attribute.html",
      "test_results_url": "https://testi.at/proj/rlpli9r9trvs62rt7p",
      "stats": {
        "apple-mail": {
          "macos": { "20": "y", "21": "y", "22": "y", "23": "y" },
          "ios": { "14": "y", "15": "y", "16": "y", "17": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "n" },
          "mobile-webmail": { "2024-01": "n" }
        },
        "orange": {
          "desktop-webmail": { "2024-01": "u" },
          "ios": { "2024-01": "u" },
          "android": { "2024-01": "u" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2024-01": "n" },
          "macos": { "2016": "y", "2024-01": "n" },
          "outlook-com": { "2024-01": "n" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "n" }
        },
        "samsung-email": { "android": { "6.1": "y" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "y" },
          "android": { "2024-03": "y" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "u" },
          "android": { "2024-01": "u" }
        },
        "yahoo": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "n" },
          "android": { "2024-01": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2024-01": "u" },
          "ios": { "2024-01": "u" },
          "android": { "2024-01": "u" }
        },
        "hey": { "desktop-webmail": { "2024-01": "u" } },
        "mail-ru": { "desktop-webmail": { "2024-01": "a #1" } },
        "fastmail": { "desktop-webmail": { "2024-01": "u" } },
        "laposte": { "desktop-webmail": { "2024-01": "u" } },
        "gmx": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "u" },
          "android": { "2024-01": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2024-01": "n" },
          "ios": { "2024-01": "u" },
          "android": { "2024-01": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2024-01": "u" }, "android": { "2024-01": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Does not support the unquoted attribute value syntax `<div hidden></div>`"
      }
    },

    {
      "slug": "html-hr",
      "title": "<hr> element",
      "description": "HTML horizontal rule",
      "url": "https://www.caniemail.com/features/html-hr/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-09-08",
      "test_url": "https://www.caniemail.com/tests/html-hr.html",
      "test_results_url": "https://testi.at/proj/e6ndurbxtpz9hz95hp",
      "stats": {
        "apple-mail": { "macos": { "2023-09": "y" }, "ios": { "2023-09": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" },
          "mobile-webmail": { "2023-09": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-09": "u" },
          "ios": { "2023-09": "u" },
          "android": { "2023-09": "u" }
        },
        "outlook": {
          "windows": { "2013": "y", "2016": "y", "2019": "y", "2021": "y" },
          "windows-mail": { "2023-09": "y" },
          "macos": { "16.56": "y", "16.80": "y" },
          "outlook-com": { "2023-09": "y", "2024-01": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" }
        },
        "samsung-email": { "android": { "2023-09": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" }
        },
        "thunderbird": { "macos": { "102.10.1": "y" } },
        "aol": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2023-09": "u" },
          "ios": { "2023-09": "u" },
          "android": { "2023-09": "u" }
        },
        "hey": { "desktop-webmail": { "2023-09": "u" } },
        "mail-ru": { "desktop-webmail": { "2023-09": "y" } },
        "fastmail": { "desktop-webmail": { "2023-09": "u" } },
        "laposte": { "desktop-webmail": { "2023-09": "u" } },
        "free-fr": { "desktop-webmail": { "2023-09": "u" } },
        "t-online-de": { "desktop-webmail": { "2023-09": "u" } },
        "gmx": { "desktop-webmail": { "2023-09": "u" } },
        "web-de": { "desktop-webmail": { "2023-09": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-image-maps",
      "title": "Image maps",
      "description": "`<img>` with a `usemap` attribute and associated `<map>` with a `name` attribute and descendant `<area>` elements define a client-side image map.",
      "url": "https://www.caniemail.com/features/html-image-maps/",
      "category": "html",
      "tags": [],
      "keywords": "image maps, map element, area element, usemap attribute",
      "last_test_date": "2021-09-29",
      "test_url": "https://www.caniemail.com/tests/html-image-maps.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/ic6X67PzJrt0xc61WP8l4A2VLFGcXIA9JaBjhI9nM7JAm/list",
      "stats": {
        "apple-mail": { "macos": { "14.0": "y" }, "ios": { "15.0": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" },
          "mobile-webmail": { "2021-09": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "u",
            "2007": "u",
            "2010": "u",
            "2013": "u",
            "2016": "u",
            "2019": "y"
          },
          "windows-mail": { "2021-09": "n" },
          "macos": { "16.54": "y", "16.80": "y" },
          "outlook-com": { "2021-09": "y", "2024-01": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "y" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
          "desktop-webmail": { "2021-10": "y" },
          "ios": { "2021-10": "n" },
          "android": { "2021-10": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-10": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-09": "y" },
          "ios": { "2021-09": "y" },
          "android": { "2021-09": "n" }
        },
        "hey": { "desktop-webmail": { "2021-09": "n" } },
        "mail-ru": { "desktop-webmail": { "2021-09": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-09": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-img",
      "title": "<img> element",
      "description": "Displays an image into the document",
      "url": "https://www.caniemail.com/features/html-img/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-12-16",
      "test_url": "https://www.caniemail.com/tests/html-img.html",
      "test_results_url": "https://testi.at/proj/dyogfa8504y2cljofa2",
      "stats": {
        "apple-mail": { "macos": { "2023-09": "y" }, "ios": { "2023-09": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" },
          "mobile-webmail": { "2023-09": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-09": "u" }
        },
        "outlook": {
          "windows": { "2013": "y", "2016": "y", "2019": "y", "2021": "y" },
          "windows-mail": { "2023-09": "y" },
          "macos": { "16.56": "y", "16.80": "y" },
          "outlook-com": { "2023-09": "y", "2024-01": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" }
        },
        "samsung-email": { "android": { "2023-09": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-09": "u" }
        },
        "thunderbird": { "macos": { "102.10.1": "u" } },
        "aol": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-09": "y" },
          "ios": { "2023-09": "y" },
          "android": { "2023-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2023-12": "y" },
          "ios": { "2023-12": "y" },
          "android": { "2023-09": "u" }
        },
        "hey": { "desktop-webmail": { "2023-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2023-09": "y" } },
        "fastmail": { "desktop-webmail": { "2023-12": "y" } },
        "laposte": { "desktop-webmail": { "2023-09": "y" } },
        "free-fr": { "desktop-webmail": { "2023-12": "y" } },
        "t-online-de": { "desktop-webmail": { "2023-09": "u" } },
        "gmx": { "desktop-webmail": { "2023-09": "u" } },
        "web-de": { "desktop-webmail": { "2023-09": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-input-checkbox",
      "title": "<input type=\"checkbox\"> element",
      "description": "HTML input type checkbox",
      "url": "https://www.caniemail.com/features/html-input-checkbox/",
      "category": "html",
      "tags": [],
      "keywords": "form, checkbox",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y", "12.4": "y" },
          "ios": { "10.3": "y", "12.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "n #1", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "n #1", "2024-04": "n" },
          "android": { "2020-01": "n #1", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-06": "y" },
          "android": { "2019-06": "y" }
        },
        "samsung-email": { "android": { "6.0": "y", "9.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "n #1" },
          "ios": { "2020-01": "y", "2021-06": "n #1" },
          "android": { "2020-01": "y", "2021-06": "n #1" }
        },
        "thunderbird": { "macos": { "68.4": "a #2" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #1" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Not supported. `<input>` is transformed into `<noinput>`.",
        "2": "Buggy. Interacting with the element submits the form it belongs in."
      }
    },

    {
      "slug": "html-input-hidden",
      "title": "<input type=\"hidden\"> element",
      "description": "HTML input type hidden",
      "url": "https://www.caniemail.com/features/html-input-hidden/",
      "category": "html",
      "tags": [],
      "keywords": "form, hidden",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y", "12.4": "y" },
          "ios": { "10.3": "y", "12.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "n #1", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "n #1", "2024-04": "n" },
          "android": { "2020-01": "n #1", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-06": "y" },
          "android": { "2019-06": "y" }
        },
        "samsung-email": { "android": { "6.0": "y", "9.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "n #1" },
          "ios": { "2020-01": "y", "2021-06": "n #1" },
          "android": { "2020-01": "y", "2021-06": "n #1" }
        },
        "thunderbird": { "macos": { "68.4": "a #2" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #1" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Not supported. `<input>` is transformed into `<noinput>`.",
        "2": "Buggy. Interacting with the element submits the form it belongs in."
      }
    },

    {
      "slug": "html-input-radio",
      "title": "<input type=\"radio\"> element",
      "description": "HTML input type radio",
      "url": "https://www.caniemail.com/features/html-input-radio/",
      "category": "html",
      "tags": [],
      "keywords": "form, radio",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y", "12.4": "y" },
          "ios": { "10.3": "y", "12.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "n #1", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "n #1", "2024-04": "n" },
          "android": { "2020-01": "n #1", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-06": "y" },
          "android": { "2019-06": "y" }
        },
        "samsung-email": { "android": { "6.0": "y", "9.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "n #1" },
          "ios": { "2020-01": "y", "2021-06": "n #1" },
          "android": { "2020-01": "y", "2021-06": "n #1" }
        },
        "thunderbird": { "macos": { "68.4": "a #2" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #1" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Not supported. `<input>` is transformed into `<noinput>`.",
        "2": "Buggy. Interacting with the element submits the form it belongs in."
      }
    },

    {
      "slug": "html-input-reset",
      "title": "<input type=\"reset\"> element",
      "description": "HTML input type reset",
      "url": "https://www.caniemail.com/features/html-input-reset/",
      "category": "html",
      "tags": [],
      "keywords": "form, reset",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y", "12.4": "y" },
          "ios": { "10.3": "y", "12.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "a #1" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "n #2", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "n #2", "2024-04": "n" },
          "android": { "2020-01": "n #2", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-06": "y" },
          "android": { "2019-06": "y" }
        },
        "samsung-email": { "android": { "6.0": "y", "9.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "n #2" },
          "ios": { "2020-01": "y", "2021-06": "n #1" },
          "android": { "2020-01": "y", "2021-06": "n #1" }
        },
        "thunderbird": { "macos": { "68.4": "a #3" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #1" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Not supported. `<input>` is transformed into `<noinput>`.",
        "3": "Buggy. Interacting with the element submits the form it belongs in."
      }
    },

    {
      "slug": "html-input-submit",
      "title": "<input type=\"submit\"> element",
      "description": "HTML input type submit",
      "url": "https://www.caniemail.com/features/html-input-submit/",
      "category": "html",
      "tags": [],
      "keywords": "form, submit",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y", "12.4": "y" },
          "ios": { "10.3": "y", "12.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "a #1" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "n #2", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "n #2", "2024-04": "n" },
          "android": { "2020-01": "n #2", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "n", "2016": "n", "2019": "n", "16.80": "n" },
          "outlook-com": { "2019-09": "y", "2024-01": "n" },
          "ios": { "2019-06": "y" },
          "android": { "2019-06": "y" }
        },
        "samsung-email": { "android": { "6.0": "y", "9.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "n #2" },
          "ios": { "2020-01": "y", "2021-06": "n #1" },
          "android": { "2020-01": "y", "2021-06": "n #1" }
        },
        "thunderbird": { "macos": { "68.4": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "n" },
          "android": { "2019-09": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #2" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Partial. Not supported with non Google accounts.",
        "2": "Not supported. `<input>` is transformed into `<noinput>`."
      }
    },

    {
      "slug": "html-input-text",
      "title": "<input type=\"text\"> element",
      "description": "HTML input type text",
      "url": "https://www.caniemail.com/features/html-input-text/",
      "category": "html",
      "tags": [],
      "keywords": "form, text",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y #1", "12.4": "y #1", "13": "y" },
          "ios": { "10.3": "y #2", "12.4": "y #2" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "n #4", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "n #4", "2024-04": "n" },
          "android": { "2020-01": "n #4", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-06": "y" },
          "android": { "2019-06": "n #3" }
        },
        "samsung-email": { "android": { "6.0": "n #3", "9.0": "n #3" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "n #4" },
          "ios": { "2020-01": "y", "2021-06": "n #1" },
          "android": { "2020-01": "y", "2021-06": "n #1" }
        },
        "thunderbird": { "macos": { "68.4": "a #5" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "n #3" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #4" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Buggy. Email scrolls to the end when space bar is pressed.  This can be fixed by wrapping the `<input>` in `<ul role=\"presentation\">`.",
        "2": "Buggy. Screen jumps when input is in focus.",
        "3": "Buggy. A number of Android clients will not show the keyboard when the input is clicked. Copy and pasting text works.",
        "4": "Not supported. `<input>` is transformed into `<noinput>`.",
        "5": "Buggy. Interacting with the element submits the form it belongs in."
      }
    },

    {
      "slug": "html-lang",
      "title": "lang attribute",
      "description": "The `lang` attribute lets you declare the language of the content of an HTML element.",
      "url": "https://www.caniemail.com/features/html-lang/",
      "category": "html",
      "tags": ["i18n", "accessibility"],
      "keywords": null,
      "last_test_date": "2020-10-25",
      "test_url": "https://www.caniemail.com/tests/html-lang.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Cw4skDHvaihUbRGS21mmXSnyxfjIQQNAMGfRwXlpf6zR7/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "14.0": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-10": "y" },
          "ios": { "2020-10": "y" },
          "android": { "2020-10": "y" },
          "mobile-webmail": { "2020-10": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-10": "y", "2021-03": "n" },
          "ios": { "2020-10": "y" },
          "android": { "2020-10": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "u",
            "2007": "u",
            "2010": "u",
            "2013": "u",
            "2016": "u",
            "2019": "y"
          },
          "windows-mail": { "2020-10": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-10": "y", "2024-01": "y" },
          "ios": { "2020-10": "y" },
          "android": { "2020-10": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-10": "y" },
          "ios": { "2020-10": "y" },
          "android": { "2020-10": "n", "2021-10": "y" }
        },
        "thunderbird": { "macos": { "78.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-10": "a #1" },
          "ios": { "2020-10": "y" },
          "android": { "2020-10": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-10": "a #1" },
          "ios": { "2020-10": "a #1" },
          "android": { "2020-10": "a #1" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-10": "y" },
          "ios": { "2020-10": "y" },
          "android": { "2020-10": "y" }
        },
        "hey": { "desktop-webmail": { "2020-10": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "n" }, "android": { "2022-06": "n" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Not supported on `<td>` elements." }
    },

    {
      "slug": "html-link",
      "title": "<link> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-link/",
      "category": "html",
      "tags": [],
      "keywords": "css, style",
      "last_test_date": "2023-12-21",
      "test_url": "https://www.caniemail.com/tests/css-placement.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/4eAS6hlxtHuqL7tea72awaBTYF24iTYG36GsEOWVnrBJ4/list",
      "stats": {
        "apple-mail": {
          "macos": { "12.4": "y", "16.0": "y" },
          "ios": { "12.1": "y", "17.2": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2023-12": "n" },
          "ios": { "2019-08": "y", "2023-12": "n" },
          "android": { "2019-10": "y", "2023-12": "n" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2019-02": "y" },
          "macos": { "2019-02": "y", "16.80": "n" },
          "outlook-com": { "2019-02": "n", "2023-12": "n" },
          "ios": { "2019-02": "n", "2023-12": "n" },
          "android": { "2019-02": "n", "2023-12": "n" }
        },
        "thunderbird": { "macos": { "60.8": "y", "78.5": "n" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2020-01": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "n" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "n" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-09": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "n" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } },
        "wp-pl": { "desktop-webmail": { "2023-12": "n" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-lists",
      "title": "<ul>, <ol> and <dl>",
      "description": "Support for lists in HTML: `<ul>`, `<ol>`, `<li>`, `<dl>`, `<dt>` and `<dd>` elements.",
      "url": "https://www.caniemail.com/features/html-lists/",
      "category": "html",
      "tags": [],
      "keywords": "ul, ol, li, dl, dt, dd",
      "last_test_date": "2024-02-17",
      "test_url": "https://www.caniemail.com/tests/css-list.html",
      "test_results_url": "https://testi.at/proj/5jbpc3r2cknp15ayua",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-04": "y", "2024-02": "a #1" },
          "ios": { "2020-04": "y", "2024-02": "a #1" },
          "android": { "2020-04": "y", "2024-02": "a #1" },
          "mobile-webmail": { "2020-04": "y", "2024-02": "a #1" }
        },
        "orange": {
          "desktop-webmail": { "2020-04": "y", "2021-03": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "a #1 #2",
            "2007": "a #1 #2",
            "2010": "a #1 #2",
            "2013": "a #1 #2",
            "2016": "a #1 #2",
            "2019": "a #1 #2"
          },
          "windows-mail": { "2020-04": "y", "2024-02": "a #1 #2" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y", "2024-02": "a #1" },
          "outlook-com": { "2020-04": "y", "2024-01": "y", "2024-02": "a #1" },
          "ios": { "2020-04": "y", "2024-02": "a #1" },
          "android": { "2020-04": "y", "2024-02": "a #1" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-04": "y", "2024-02": "a #1" },
          "ios": { "2020-04": "y", "2024-02": "a #1" },
          "android": { "2020-04": "y", "2024-02": "a #1" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-04": "y", "2024-02": "a #1" },
          "ios": { "2020-04": "y", "2024-02": "a #1" },
          "android": { "2020-04": "y", "2024-02": "a #1" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y", "2024-02": "a #1" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. The `reversed` attribute on `<ol>` is not supported.",
        "2": "Partial. Setting the `value` attribute to an `<li>` within an `<ol>` results in a different behaviour in comparison to browsers. The `<ol>` tag is closed before the `<li value=\"\">`. A new `<ol>` is added with the `start` attribute on it set to the value of the `value` attribute of the `<li>`."
      }
    },

    {
      "slug": "html-loading-attribute",
      "title": "loading attribute",
      "description": "The `loading` attribute on `img` indicates how the browser should load the image.",
      "url": "https://www.caniemail.com/features/html-loading-attribute/",
      "category": "html",
      "tags": [],
      "keywords": "img,image,loading",
      "last_test_date": "2021-10-27",
      "test_url": "https://www.caniemail.com/tests/html-loading-attribute.html",
      "test_results_url": "https://testi.at/proj/BG3iM7ZhOjpi8Qlf4E9IQxg",
      "stats": {
        "apple-mail": {
          "macos": { "2021-10": "y #1" },
          "ios": { "11": "y #1", "12": "y #1", "13": "y #1", "14": "y #1" }
        },
        "gmail": {
          "desktop-webmail": { "2021-10": "n" },
          "ios": { "2021-10": "n" },
          "android": { "2021-10": "n" },
          "mobile-webmail": { "2021-10": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-10": "n" },
          "ios": { "2021-10": "n" },
          "android": { "2021-10": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2021-10": "n" },
          "macos": { "2021-10": "y #1", "16.80": "n" },
          "outlook-com": { "2021-10": "n", "2024-01": "n" },
          "ios": { "2021-10": "n" },
          "android": { "2021-10": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-10": "n" },
          "ios": { "2021-10": "n" },
          "android": { "2021-10": "n" }
        },
        "aol": {
          "desktop-webmail": { "2021-10": "n" },
          "ios": { "2021-10": "n" },
          "android": { "2021-10": "n" }
        },
        "samsung-email": { "android": { "2021-10": "y #1" } },
        "sfr": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "n" },
          "android": { "2021-11": "n" }
        },
        "thunderbird": { "macos": { "2021-10": "y #1" } },
        "protonmail": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-10": "n" },
          "android": { "2021-10": "n" }
        },
        "hey": { "desktop-webmail": { "2021-10": "a #3" } },
        "mail-ru": { "desktop-webmail": { "2021-10": "y #1" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-10": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "The `loading` attribute is supported, but not confirmed whether it works according to spec.",
        "2": "The `loading` attribute is supported by the email client, but not by the browser engine.",
        "3": "Not supported. The webmail adds `loading=\"lazy\"` to all images."
      }
    },

    {
      "slug": "html-mailto-links",
      "title": "mailto: links",
      "description": "The `mailto:` URL scheme allows to create links that open a new outgoing email message. It supports different parameters corresponding to header fields, like `cc`, `bcc`, `subject` and `body`.",
      "url": "https://www.caniemail.com/features/html-mailto-links/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-05-20",
      "test_url": "https://www.caniemail.com/tests/html-mailto-links.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/7EAQ7RkA45N8kFDAlsnXHBhUjwfbH0cOKsJix4P4zHgqu/list",
      "stats": {
        "apple-mail": { "macos": { "14": "y" }, "ios": { "14.5": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" },
          "mobile-webmail": { "2021-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "a #1" },
          "ios": { "2021-05": "n #2" },
          "android": { "2021-05": "a #3" }
        },
        "outlook": {
          "windows": {
            "2003": "u",
            "2007": "u",
            "2010": "u",
            "2013": "u",
            "2016": "u",
            "2019": "y"
          },
          "windows-mail": { "2021-05": "y" },
          "macos": { "16.50": "y", "16.80": "y" },
          "outlook-com": { "2021-05": "y", "2024-01": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "samsung-email": { "android": { "6.1": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "y" }
        },
        "thunderbird": { "macos": { "78.10": "y" } },
        "aol": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "a #3" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "a #3" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-05": "y" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "a #3" }
        },
        "hey": { "desktop-webmail": { "2021-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "a #1" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. `cc` and `bcc` are not supported.",
        "2": "Not supported. The link opens a contact card inside the app.",
        "3": "Partial. `bcc` is not supported."
      }
    },

    {
      "slug": "html-marquee",
      "title": "<marquee> element",
      "description": "This is the description of the `<marquee>` element.",
      "url": "https://www.caniemail.com/features/html-marquee/",
      "category": "html",
      "tags": [],
      "keywords": "marquee",
      "last_test_date": "2020-04-21",
      "test_url": "https://www.caniemail.com/tests/html-marquee.html",
      "test_results_url": null,
      "stats": {
        "apple-mail": {
          "macos": { "10.15": "y" },
          "ios": { "11.3.1": "y", "12": "y", "13.1": "y", "13.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2020-04": "n" },
          "ios": { "2020-04": "n" },
          "android": { "2020-04": "n" },
          "mobile-webmail": { "2020-04": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-04": "y", "2021-03": "n" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-03": "n" },
          "macos": { "2016": "y", "16.80": "a #3" },
          "outlook-com": { "2020-04": "y", "2024-01": "a #3" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "samsung-email": { "android": { "6.0": "y", "7.0": "y", "9.0": "y", "10.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-04": "y" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" }, "windows": { "60": "y" } },
        "aol": {
          "desktop-webmail": { "2020-04": "a #1" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-04": "a #1" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-04": "a #2" },
          "ios": { "2020-04": "y" },
          "android": { "2020-04": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "a #1" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "The `<marquee>` element is supported but the animation doesn't play in Internet Explorer or Firefox.",
        "2": "The `behavior` attribute is not supported.",
        "3": "The `<marquee>` element is supported but not the `behavior` or `direction` attributes."
      }
    },

    {
      "slug": "html-meta-color-scheme",
      "title": "color-scheme meta tag",
      "description": "Changes the default colors of HTML elements. Useful for when you want an email to display only in a dark color scheme or only a light scheme, regardless of user settings. Equivalent to setting the color-scheme CSS property on the root element",
      "url": "https://www.caniemail.com/features/html-meta-color-scheme/",
      "category": "html",
      "tags": [],
      "keywords": "dark-mode",
      "last_test_date": "2023-09-18",
      "test_url": "https://www.caniemail.com/tests/html-meta-color-scheme.html",
      "test_results_url": "",
      "stats": {
        "apple-mail": { "macos": { "16": "y" }, "ios": { "12.4": "n" } },
        "gmail": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2019-09": "n" },
          "android": { "2023-09": "n" },
          "mobile-webmail": { "2023-09": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-03": "u" },
          "ios": { "2020-01": "u" },
          "android": { "2020-01": "u" }
        },
        "outlook": {
          "windows": {
            "2003": "u",
            "2007": "u",
            "2010": "u",
            "2013": "u",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2023-09": "n" },
          "macos": { "2023": "n", "16.80": "n" },
          "outlook-com": { "2023-09": "n", "2024-01": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "n" }
        },
        "samsung-email": { "android": { "9.1": "n" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "n" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "n" }
        },
        "thunderbird": { "macos": { "102.11": "y" } },
        "yahoo": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "n" }
        },
        "aol": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "n" }
        },
        "hey": { "desktop-webmail": { "2023-09": "n" } },
        "mail-ru": { "desktop-webmail": { "2023-09": "n" } },
        "fastmail": { "desktop-webmail": { "2023-09": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "u" } },
        "gmx": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2022-11": "u" },
          "android": { "2022-11": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2022-11": "u" },
          "android": { "2022-11": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "u" }, "android": { "2022-11": "u" } }
      },
      "notes": "",
      "notes_by_num": null
    },

    {
      "slug": "html-meter",
      "title": "<meter> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-meter/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/HTML5.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Bzyzx8Z5Kvlfib1Fw9Ted8xtPE26RcjPSdUobdUywgJVm/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Supported with non Google accounts only." }
    },

    {
      "slug": "html-object",
      "title": "<object> element",
      "description": null,
      "url": "https://www.caniemail.com/features/html-object/",
      "category": "html",
      "tags": [],
      "keywords": "object,embed,video,image,pdf",
      "last_test_date": "2021-02-20",
      "test_url": "https://www.caniemail.com/tests/html-object.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/IExyoVbvCeJfhRfY6W30e6k4MCsSprSAk58zyNlPlms39/list",
      "stats": {
        "apple-mail": { "macos": { "14.0": "a #1" }, "ios": { "14.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-10": "n" },
          "ios": { "2020-10": "n" },
          "android": { "2020-10": "n" },
          "mobile-webmail": { "2020-10": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-10": "n #3", "2021-03": "n" },
          "ios": { "2020-10": "n" },
          "android": { "2020-10": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-10": "n" },
          "macos": { "2011": "a #1", "2016": "a #1", "16.80": "n" },
          "outlook-com": { "2020-10": "n", "2024-01": "n" },
          "ios": { "2020-10": "n" },
          "android": { "2020-10": "n" }
        },
        "samsung-email": { "android": { "6.1": "a #2" } },
        "sfr": {
          "desktop-webmail": { "2020-10": "n #3" },
          "ios": { "2020-10": "n" },
          "android": { "2020-10": "n" }
        },
        "thunderbird": { "macos": { "78.7": "a #2" } },
        "aol": {
          "desktop-webmail": { "2021-02": "n" },
          "ios": { "2020-10": "n" },
          "android": { "2020-10": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-10": "n" },
          "ios": { "2020-10": "n" },
          "android": { "2020-10": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-10": "n" },
          "ios": { "2020-10": "n" },
          "android": { "2020-10": "n" }
        },
        "hey": { "desktop-webmail": { "2020-10": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n #4" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #3" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "a #1 #2" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "a #1 #2" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial support. Does not support Videos resources.",
        "2": "Partial support. Does not support PDF resources.",
        "3": "Not supported. `<object>` is turned into `<noobject>`.",
        "4": "Not supported. The `<object>` element and all its content is removed."
      }
    },

    {
      "slug": "html-p",
      "title": "<p> element",
      "description": null,
      "url": "https://www.caniemail.com/features/html-p/",
      "category": "html",
      "tags": [],
      "keywords": "paragraph",
      "last_test_date": "2020-05-08",
      "test_url": "https://www.caniemail.com/tests/html-semantics.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/IulqGoKCPriLhe6DbI1dWmF2AjH535vSIujVufxhenXVC/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" },
          "mobile-webmail": { "2020-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-05": "y", "2021-03": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2020-05": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-05": "y", "2024-01": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "y" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "y" }, "android": { "2022-06": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-picture",
      "title": "<picture> element",
      "description": "This is the description of the `<picture>` element.",
      "url": "https://www.caniemail.com/features/html-picture/",
      "category": "html",
      "tags": ["accessibility", "performance"],
      "keywords": "picture, responsive image",
      "last_test_date": "2024-04-15",
      "test_url": "https://www.caniemail.com/tests/html-picture.html",
      "test_results_url": "https://testi.at/proj/vr32cxxk1exntxrjfdp",
      "stats": {
        "apple-mail": {
          "macos": {
            "10.3": "y",
            "10.15": "a #2",
            "11.7": "a #2",
            "12.7": "a #2",
            "13.6": "a #2",
            "14.4": "a #2"
          },
          "ios": { "10.3": "y", "12.2": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-05": "n #1" },
          "ios": { "2019-05": "n #1" },
          "android": { "2019-05": "n #1" },
          "mobile-webmail": { "2020-02": "n #1" }
        },
        "orange": {
          "desktop-webmail": { "2019-05": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-05": "y", "2024-04": "n" },
          "android": { "2019-05": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "16.62": "n", "16.80": "n" },
          "outlook-com": { "2019-05": "n", "2024-01": "n" },
          "ios": { "2019-05": "n" },
          "android": { "2019-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-05": "y" },
          "ios": { "2019-05": "y" },
          "android": { "2019-05": "y" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2020-01": "n" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-05": "n" },
          "ios": { "2019-05": "n" },
          "android": { "2019-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "`<picture>` and `<source>` tags are replaced by `<u></u>` tags.",
        "2": "`<picture>` tag is stripped in some cases (like having too few content or no background-color)."
      }
    },

    {
      "slug": "html-popover",
      "title": "popover attribute",
      "description": "Show and hide things",
      "url": "https://www.caniemail.com/features/html-popover/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-09-25",
      "test_url": "https://www.caniemail.com/tests/html-popover.html",
      "test_results_url": "",
      "stats": {
        "apple-mail": { "macos": { "16": "y" }, "ios": { "16": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2024-03": "n" },
          "mobile-webmail": { "2024-03": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "u", "2021-03": "u" },
          "ios": { "2019-08": "u" },
          "android": { "2019-08": "u" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2023-09": "n" },
          "macos": { "2023-09": "n", "16.80": "n" },
          "outlook-com": { "2023-09": "n", "2024-01": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2024-03": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2024-03": "n" }
        },
        "aol": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "u" }
        },
        "samsung-email": { "android": { "5.0.10.2": "u", "6.1.90.16": "a #1" } },
        "sfr": {
          "desktop-webmail": { "2024-03": "y" },
          "ios": { "2024-03": "n" },
          "android": { "2024-03": "y" }
        },
        "thunderbird": { "macos": { "115.2": "n" } },
        "protonmail": {
          "desktop-webmail": { "2023-09": "n" },
          "ios": { "2023-09": "n" },
          "android": { "2023-09": "u" }
        },
        "hey": { "desktop-webmail": { "2023-09": "n" } },
        "mail-ru": { "desktop-webmail": { "2024-01": "a" } },
        "fastmail": { "desktop-webmail": { "2023-09": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "u" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "u" },
          "ios": { "2022-06": "u" },
          "android": { "2022-06": "u" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "u" },
          "ios": { "2022-06": "u" },
          "android": { "2022-06": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "u" }, "android": { "2022-06": "u" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Not supported with Hotmail/Outlook accounts.",
        "2": "Partial. The `popovertarget` attribute is supported, but the `popover` attribute and the `dialog` element are not."
      }
    },

    {
      "slug": "html-pre",
      "title": "<pre> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-pre/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-04-25",
      "test_url": "https://www.caniemail.com/tests/html-pre.html",
      "test_results_url": "https://testi.at/proj/0pJiPjxSL0gh01YC9wFAAkfq",
      "stats": {
        "apple-mail": { "macos": { "2023-04": "y" }, "ios": { "2023-04": "y" } },
        "gmail": {
          "desktop-webmail": { "2023-04": "y" },
          "ios": { "2023-04": "y" },
          "android": { "2023-04": "y" },
          "mobile-webmail": { "2023-04": "y" }
        },
        "orange": {
          "desktop-webmail": { "2023-05": "y" },
          "ios": { "2023-05": "y" },
          "android": { "2023-05": "y" }
        },
        "outlook": {
          "windows": { "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2023-04": "y" },
          "macos": { "16.56": "y", "16.80": "y" },
          "outlook-com": { "2023-04": "y", "2024-01": "y" },
          "ios": { "2023-04": "y" },
          "android": { "2023-04": "y" }
        },
        "samsung-email": { "android": { "2023-04": "y" } },
        "sfr": {
          "desktop-webmail": { "2023-05": "y" },
          "ios": { "2023-05": "y" },
          "android": { "2023-05": "y" }
        },
        "thunderbird": { "macos": { "102.10.1": "y" } },
        "aol": {
          "desktop-webmail": { "2023-05": "y" },
          "ios": { "2023-05": "y" },
          "android": { "2023-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2023-04": "y" },
          "ios": { "2023-04": "y" },
          "android": { "2023-04": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2023-05": "y" },
          "ios": { "2023-05": "y" },
          "android": { "2023-05": "y" }
        },
        "hey": { "desktop-webmail": { "2023-05": "y" } },
        "mail-ru": { "desktop-webmail": { "2023-04": "y" } },
        "fastmail": { "desktop-webmail": { "2023-04": "y" } },
        "laposte": { "desktop-webmail": { "2023-05": "y" } },
        "free-fr": { "desktop-webmail": { "2023-05": "y" } },
        "t-online-de": { "desktop-webmail": { "2023-05": "y" } },
        "gmx": { "desktop-webmail": { "2023-04": "y" } },
        "web-de": {
          "desktop-webmail": { "2023-04": "u" },
          "ios": { "2023-04": "u" },
          "android": { "2023-04": "u" }
        },
        "ionos-1and1": { "desktop-webmail": { "2023-04": "u" }, "android": { "2023-04": "u" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-progress",
      "title": "<progress> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-progress/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/HTML5.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Bzyzx8Z5Kvlfib1Fw9Ted8xtPE26RcjPSdUobdUywgJVm/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "n" },
          "outlook-com": { "2019-02": "n", "2024-01": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "n" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Supported with non Google accounts only." }
    },

    {
      "slug": "html-required",
      "title": "required attribute",
      "description": "Required attribute on form elements",
      "url": "https://www.caniemail.com/features/html-required/",
      "category": "html",
      "tags": [],
      "keywords": "form, required",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y", "12.4": "y" },
          "ios": { "10.3": "y", "12.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "n" },
          "ios": { "2019-09": "n" },
          "android": { "2019-09": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "a #2", "2021-03": "n", "2024-04": "n" },
          "ios": { "2020-01": "a #2", "2024-04": "n" },
          "android": { "2020-01": "a #2", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "y", "16.80": "n" },
          "outlook-com": { "2019-09": "n", "2024-01": "n" },
          "ios": { "2019-06": "y" },
          "android": { "2019-06": "y" }
        },
        "samsung-email": { "android": { "6.0": "y", "9.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "a #2" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "68.4": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "n" },
          "ios": { "2019-09": "n" },
          "android": { "2019-09": "n" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "n" },
          "ios": { "2019-09": "n" },
          "android": { "2019-09": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "a #2" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "a #2" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Partial. Only supported with non Google accounts.",
        "2": "Partial. The `required` attribute is supported, but form elements are not."
      }
    },

    {
      "slug": "html-role",
      "title": "role attribute",
      "description": "",
      "url": "https://www.caniemail.com/features/html-role/",
      "category": "html",
      "tags": ["accessibility"],
      "keywords": "accessibility, a11y, wai-aria",
      "last_test_date": "2020-02-04",
      "test_url": "https://www.caniemail.com/tests/html-role.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/5UaXELRV2jCpTG9wg7EEDfjuPE0Elj08cJQGTxK5H4guu/list",
      "stats": {
        "apple-mail": { "macos": { "10.3": "y" }, "ios": { "10.3": "y", "12.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-06": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2020-01": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-06": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "y #1",
            "2007": "y #1",
            "2010": "y #1",
            "2013": "y #1",
            "2016": "y #1",
            "2019": "y #1"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2019": "y", "16.80": "y" },
          "outlook-com": { "2019-06": "y", "2024-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-06": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-06": "n", "2020-02": "a #2" },
          "ios": { "2019-02": "n", "2020-02": "a #2" },
          "android": { "2019-02": "n", "2020-02": "a #2" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "n", "2020-02": "a #2" },
          "ios": { "2019-02": "n", "2020-02": "a #2" },
          "android": { "2019-02": "n", "2020-02": "a #2" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-06": "n" },
          "ios": { "2022-06": "y" },
          "android": { "2022-06": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-06": "n" }, "android": { "2022-06": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Not live tested, only looked at processed code on Litmus.",
        "2": "Partial. Only works on the `<table>` tag."
      }
    },

    {
      "slug": "html-rp",
      "title": "<rp> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-rp/",
      "category": "html",
      "tags": ["i18n"],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/HTML5.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Bzyzx8Z5Kvlfib1Fw9Ted8xtPE26RcjPSdUobdUywgJVm/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2020-02": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Supported with non Google accounts only." }
    },

    {
      "slug": "html-rt",
      "title": "<rt> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-rt/",
      "category": "html",
      "tags": ["i18n"],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/HTML5.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Bzyzx8Z5Kvlfib1Fw9Ted8xtPE26RcjPSdUobdUywgJVm/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Supported with non Google accounts only." }
    },

    {
      "slug": "html-ruby",
      "title": "<ruby> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-ruby/",
      "category": "html",
      "tags": ["i18n"],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/HTML5.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Bzyzx8Z5Kvlfib1Fw9Ted8xtPE26RcjPSdUobdUywgJVm/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "n" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Supported with non Google accounts only." }
    },

    {
      "slug": "html-select",
      "title": "<select> element",
      "description": "HTML select menu",
      "url": "https://www.caniemail.com/features/html-select/",
      "category": "html",
      "tags": [],
      "keywords": "form, select",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y", "12.4": "y" },
          "ios": { "10.3": "a #1", "12.4": "a #1" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "a #1" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "n #2", "2021-03": "y", "2024-04": "y" },
          "ios": { "2020-01": "n #2", "2024-04": "y" },
          "android": { "2020-01": "n #2", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-06": "y" },
          "android": { "2019-06": "y" }
        },
        "samsung-email": { "android": { "6.0": "y", "9.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "n #2" },
          "ios": { "2020-01": "y", "2021-06": "n #2" },
          "android": { "2020-01": "y", "2021-06": "n #2" }
        },
        "thunderbird": { "macos": { "68.4": "a #3" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "n" },
          "android": { "2019-09": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #2" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Buggy. Works if the email is shorter than the viewport. Otherwise the screen goes blank when the `<select>` is in focus.",
        "2": "Not supported. `<select>` is transformed into `<noselect>`.",
        "3": "Buggy. Interacting with the element submits the form it belongs in."
      }
    },

    {
      "slug": "html-semantics",
      "title": "HTML5 semantics",
      "description": "This includes support for `<article>`, `<aside>`, `<details>`, `<figcaption>`, `<figure>`, `<footer>`, `<header>`, `<main>`, `<mark>`, `<nav>`, `<section>`, `<summary>`, `<time>` elements.",
      "url": "https://www.caniemail.com/features/html-semantics/",
      "category": "html",
      "tags": [],
      "keywords": "article, aside, details, figcaption, figure, footer, header, main, mark, nav, section, summary, time",
      "last_test_date": "2019-07-29",
      "test_url": "https://www.caniemail.com/tests/html-semantics.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/fel5GW8SquYS9SWxQHu5Z9s0IeTpLZcnf5ghDEqQFf5Je/list",
      "stats": {
        "apple-mail": { "macos": { "10.3": "y" }, "ios": { "10.3": "y", "12.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-07": "a #2" },
          "ios": { "2019-07": "a #2" },
          "android": { "2019-07": "a #2" },
          "mobile-webmail": { "2020-02": "a #2" }
        },
        "orange": {
          "desktop-webmail": { "2019-07": "y", "2021-03": "n", "2024-04": "a #1" },
          "ios": { "2019-07": "y", "2024-04": "a #1" },
          "android": { "2019-07": "a #3", "2024-04": "a #1" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "a #1 #4" },
          "outlook-com": { "2019-07": "a #1 #4", "2024-01": "a #1 #4" },
          "ios": { "2019-07": "a #1 #4" },
          "android": { "2019-07": "a #1 #4" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-07": "y" },
          "ios": { "2019-07": "y" },
          "android": { "2019-07": "y" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2020-01": "n #4" },
          "ios": { "2020-01": "n #4" },
          "android": { "2020-01": "n #4" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-07": "n #4" },
          "ios": { "2019-07": "n #4" },
          "android": { "2019-07": "n #4" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "a #5" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "a #1" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial. Only `<time>` is supported.",
        "2": "Partial. `<details>`, `<main>`, `<nav>` and `<summary>` are not supported. Opening and closing tags are replaced by `<u></u>`.",
        "3": "Partial. `<article>` is not supported.",
        "4": "Unsupported opening and closing tags are stripped.",
        "5": "Partial. `<article>`, `<aside>`, `<header>`, `<main>` `<nav>`, `<section>`, `<summary>` are not supported."
      }
    },

    {
      "slug": "html-small",
      "title": "<small> element",
      "description": "The `<small>` HTML element represents side-comments and small print, like copyright and legal text, independent of its styled presentation.",
      "url": "https://www.caniemail.com/features/html-small/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-11-13",
      "test_url": "https://www.caniemail.com/tests/html-small.html",
      "test_results_url": "https://testi.at/proj/QZ5ik13cllxUNqjfEBQf9JrI5E",
      "stats": {
        "apple-mail": {
          "macos": { "2021-11": "y" },
          "ios": { "11": "y", "12": "y", "13": "y", "14": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2021-11": "n" },
          "ios": { "2021-11": "n" },
          "android": { "2021-11": "n" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2021-11": "y" },
          "macos": { "2021-11": "y", "16.80": "y" },
          "outlook-com": { "2021-11": "y", "2024-01": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "aol": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "samsung-email": { "android": { "2021-11": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "thunderbird": { "macos": { "2021-11": "y" } },
        "protonmail": {
          "desktop-webmail": { "2021-11": "y" },
          "ios": { "2021-11": "y" },
          "android": { "2021-11": "y" }
        },
        "hey": { "desktop-webmail": { "2021-11": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-11": "y" } },
        "fastmail": { "desktop-webmail": { "2021-11": "y" } },
        "laposte": { "desktop-webmail": { "2021-11": "y" } },
        "t-online-de": { "desktop-webmail": { "2021-11": "y" } },
        "free-fr": { "desktop-webmail": { "2021-11": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": {}
    },

    {
      "slug": "html-span",
      "title": "<span> element",
      "description": null,
      "url": "https://www.caniemail.com/features/html-span/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-05-08",
      "test_url": "https://www.caniemail.com/tests/html-semantics.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/IulqGoKCPriLhe6DbI1dWmF2AjH535vSIujVufxhenXVC/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" },
          "mobile-webmail": { "2020-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-05": "y", "2021-03": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2020-05": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-05": "y", "2024-01": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-srcset",
      "title": "srcset and sizes attributes",
      "description": "This is the description of the `srcset` and `sizes` attributes.",
      "url": "https://www.caniemail.com/features/html-srcset/",
      "category": "html",
      "tags": ["performance"],
      "keywords": null,
      "last_test_date": "2019-05-29",
      "test_url": "https://www.caniemail.com/tests/html-srcset.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/1Bs8nKCQe7qRRBaKa2CdUjcn5j2RBqTSPtf6FRSTh2nQg/list",
      "stats": {
        "apple-mail": { "macos": { "10.3": "y" }, "ios": { "10.3": "y", "12.2": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-05": "n" },
          "ios": { "2019-05": "n" },
          "android": { "2019-05": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-05": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-05": "y", "2024-04": "n" },
          "android": { "2019-05": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "n" },
          "outlook-com": { "2019-05": "n", "2024-01": "n" },
          "ios": { "2019-05": "n" },
          "android": { "2019-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-05": "y" },
          "ios": { "2019-05": "y" },
          "android": { "2019-05": "y" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2020-01": "n" },
          "ios": { "2020-01": "n" },
          "android": { "2020-01": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-05": "n" },
          "ios": { "2019-05": "n" },
          "android": { "2019-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n #2" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n #2" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n #2" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "`<picture>` and `<source>` tags are replaced by `<u></u>` tags.",
        "2": "The `sizes` attribute is supported but not `srcset`."
      }
    },

    {
      "slug": "html-strike",
      "title": "<strike> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-strike/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/css-text.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/DkqbHs69ek5UnK6uhZ7Uj0n5GVQNTP4Z1FvgXvnKyEoTM/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "a #1" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "y", "2021-03": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2019-02": "y" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "thunderbird": { "macos": { "68.4": "y" } },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Not supported with non Google accounts." }
    },

    {
      "slug": "html-strong",
      "title": "<strong> element",
      "description": null,
      "url": "https://www.caniemail.com/features/html-strong/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-05-08",
      "test_url": "https://www.caniemail.com/tests/html-semantics.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/IulqGoKCPriLhe6DbI1dWmF2AjH535vSIujVufxhenXVC/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "13.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" },
          "mobile-webmail": { "2020-05": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-05": "y", "2021-03": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2020-05": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-05": "y", "2024-01": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "thunderbird": { "macos": { "68.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-05": "y" },
          "ios": { "2020-05": "y" },
          "android": { "2020-05": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-style",
      "title": "<style> element",
      "description": "An HTML element to contain style information, in CSS, for a document or part of a document.",
      "url": "https://www.caniemail.com/features/html-style/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2023-07-27",
      "test_url": "https://www.caniemail.com/tests/html-style.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/od5IYQtx8yIbIUbeRyQXnP0yzFKEm2E9CKa3FU4BcEXFv/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y", "16.0": "y" },
          "ios": { "10.3": "y", "12.3": "y", "16.2": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2019-06": "a #1", "2023-01": "a #1" },
          "ios": { "2019-06": "a #1 #2", "2023-01": "a #1 #2" },
          "android": { "2019-06": "a #1 #2" },
          "mobile-webmail": { "2020-02": "n", "2023-01": "n" }
        },
        "orange": {
          "desktop-webmail": { "2019-06": "y", "2021-03": "y", "2023-02": "y" },
          "ios": { "2019-06": "y", "2023-02": "y" },
          "android": { "2019-06": "n", "2019-08": "y", "2023-02": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "a #4",
            "2010": "a #4",
            "2013": "a #4",
            "2016": "a #4",
            "2019": "a #4"
          },
          "windows-mail": { "2020-01": "a #4", "2023-01": "a #4" },
          "macos": { "2011": "y", "2016": "y", "2019": "y", "2021": "y", "16.80": "y" },
          "outlook-com": { "2019-06": "y", "2023-01": "y", "2024-01": "y" },
          "ios": { "2019-06": "y", "2023-01": "y" },
          "android": { "2019-06": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y", "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-06": "y", "2023-02": "y" },
          "ios": { "2019-06": "n", "2023-02": "n" },
          "android": { "2019-06": "n", "2023-02": "n" }
        },
        "thunderbird": { "macos": { "60.3": "y", "102.7": "y" }, "windows": { "102.7": "y" } },
        "aol": {
          "desktop-webmail": { "2020-01": "y", "2023-01": "y" },
          "ios": { "2020-01": "y", "2023-01": "y" },
          "android": { "2020-01": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-06": "y #5", "2023-01": "y" },
          "ios": { "2019-06": "y", "2023-01": "y" },
          "android": { "2019-06": "a #3", "2023-01": "a #3" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n", "2022-02": "y", "2023-01": "y" },
          "ios": { "2020-03": "n", "2023-01": "a #1" },
          "android": { "2020-03": "a #1" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-09": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": {
          "desktop-webmail": { "2021-08": "y" },
          "ios": { "2023-02": "n" },
          "android": { "2023-02": "n" }
        },
        "gmx": {
          "desktop-webmail": { "2022-11": "y", "2023-07": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } },
        "rainloop": { "desktop-webmail": { "2023-02": "n" } },
        "wp-pl": { "desktop-webmail": { "2023-12": "y" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Partial. Not supported inside the `<body>`.",
        "2": "Partial. Not supported with non Google accounts.",
        "3": "Buggy. The first `<head>` in the HTML is removed, so `<style>` elements need to be in a second `<head>` element.",
        "4": "Buggy. `<style>` elements need to be declared before their rules are used.",
        "5": "A CSS rule following a CSS comment is ignored. (See [email-bugs#25](https://github.com/hteumeuleu/email-bugs/issues/25).)"
      }
    },

    {
      "slug": "html-svg",
      "title": "Embedded <svg> image",
      "description": "Support for embedded `<svg>` images. See [SVG html](/features/image-svg) for linked external SVG support.",
      "url": "https://www.caniemail.com/features/html-svg/",
      "category": "html",
      "tags": [],
      "keywords": "image, SVG",
      "last_test_date": "2020-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": { "macos": { "13": "a #1" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-02": "n" },
          "macos": { "2016": "y", "16.80": "n" },
          "outlook-com": { "2020-02": "n", "2024-01": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "n", "2024-04": "y" },
          "ios": { "2020-02": "y", "2024-04": "y" },
          "android": { "2020-02": "y", "2024-04": "y" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n #2" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Buggy. Requires a background on the `<body>`. Can be any type of background, image or a color, can be set as attribute, inline style or in `<style>` block",
        "2": "Not supported. Element is removed along with any fallback content."
      }
    },

    {
      "slug": "html-table",
      "title": "<table> element",
      "description": null,
      "url": "https://www.caniemail.com/features/html-table/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-09-15",
      "test_url": "https://www.caniemail.com/tests/html-table.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/wwEgKadK3WVORrysJAcIrYgLlqhSw7z0aVvEQziMSHo7n/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-09": "y", "2021-03": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2019-09": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "html-target",
      "title": "target attribute",
      "description": "Where to display the linked URL on `<a>` elements.",
      "url": "https://www.caniemail.com/features/html-target/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2021-12-28",
      "test_url": "https://www.caniemail.com/tests/html-target.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/JU58WeEpop755UWcHt3uqkXW8btkk44WIkzhtL1UU3p46/list",
      "stats": {
        "apple-mail": { "macos": { "15": "a #3" }, "ios": { "15": "a #3" } },
        "gmail": {
          "desktop-webmail": { "2021-12": "n #1" },
          "ios": { "2021-12": "n #1" },
          "android": { "2021-12": "n #1" },
          "mobile-webmail": { "2021-12": "n #1" }
        },
        "orange": {
          "desktop-webmail": { "2021-12": "n #1" },
          "ios": { "2021-12": "n #1" },
          "android": { "2021-12": "n #1" }
        },
        "outlook": {
          "windows": { "2007": "u", "2010": "u", "2013": "u", "2016": "u", "2019": "a #3" },
          "windows-mail": { "2021-12": "a #3" },
          "macos": { "16.57": "n #1", "16.80": "a #3" },
          "outlook-com": { "2021-12": "n #1", "2024-01": "n #1" },
          "ios": { "2021-12": "a #3" },
          "android": { "2021-12": "a #3" }
        },
        "samsung-email": { "android": { "6.0": "a #3" } },
        "sfr": {
          "desktop-webmail": { "2021-12": "y #2" },
          "ios": { "2021-12": "n #1" },
          "android": { "2021-12": "n #1" }
        },
        "thunderbird": { "macos": { "78.14": "a #3" } },
        "aol": {
          "desktop-webmail": { "2021-12": "n #1" },
          "ios": { "2021-12": "n #1" },
          "android": { "2021-12": "n #1" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-12": "n #1" },
          "ios": { "2021-12": "n #1" },
          "android": { "2021-12": "n #1" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-12": "n #1" },
          "ios": { "2021-12": "n #1" },
          "android": { "2021-12": "n #1" }
        },
        "hey": { "desktop-webmail": { "2021-12": "n #1" } },
        "mail-ru": { "desktop-webmail": { "2021-12": "n #1" } },
        "fastmail": { "desktop-webmail": { "2021-12": "n #1" } },
        "laposte": { "desktop-webmail": { "2021-12": "y #2" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n #1" },
          "ios": { "2022-11": "a #3" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n #1" },
          "ios": { "2022-11": "a #3" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n #1" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Not supported. `target=\"_blank\"` is forced on all links.",
        "2": "Supported. But `target=\"_blank\"` is forced if the attribute is missing.",
        "3": "The attribute is supported but links always open in a new window anyway."
      }
    },

    {
      "slug": "html-textarea",
      "title": "<textarea> element",
      "description": "HTML input type text",
      "url": "https://www.caniemail.com/features/html-textarea/",
      "category": "html",
      "tags": [],
      "keywords": "form, text",
      "last_test_date": "2019-09-10",
      "test_url": "https://www.caniemail.com/tests/html-forms.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/MOk8g8TWwCTL4vLGrdMIgu3Vncqdxif6KlK4g8HfUV1mB/list",
      "stats": {
        "apple-mail": {
          "macos": { "10.3": "y #1", "12.4": "y #1", "13": "y" },
          "ios": { "10.3": "y #2", "12.4": "y #2" }
        },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-01": "n #4", "2021-03": "y", "2024-04": "y" },
          "ios": { "2020-01": "n #4", "2024-04": "y" },
          "android": { "2020-01": "n #4", "2024-04": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "n",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2020-01": "n" },
          "macos": { "2011": "y", "2016": "y", "2019": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-06": "y" },
          "android": { "2019-06": "n #3" }
        },
        "samsung-email": { "android": { "6.0": "n #3", "9.0": "n #3" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "n #4" },
          "ios": { "2020-01": "y", "2021-06": "n #4" },
          "android": { "2020-01": "y", "2021-06": "n #4" }
        },
        "thunderbird": { "macos": { "68.4": "a #5" } },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "n #3" }
        },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "a #3" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #4" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "n" } }
      },
      "notes": "",
      "notes_by_num": {
        "1": "Buggy. Email scrolls to the end when space bar is pressed.  This can be fixed by wrapping the `<input>` in `<ul role=\"presentation\">`.",
        "2": "Buggy. Screen jumps when input is in focus.",
        "3": "Buggy. A number of android clients will not show the keyboard when the input is clicked.  Copy and pasting text works.",
        "4": "Not supported. `<textarea>` is transformed into `<notextarea>`.",
        "5": "Buggy. Interacting with the element submits the form it belongs in."
      }
    },

    {
      "slug": "html-valign",
      "title": "valign attribute",
      "description": null,
      "url": "https://www.caniemail.com/features/html-valign/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2020-12-21",
      "test_url": "https://www.caniemail.com/tests/css-vertical-align-html-valign.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/XDUBIjG7AOXLUwfUUDYDO68OO1POjklmaeeqkOeSylkJL/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" },
          "mobile-webmail": { "2020-12": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-12": "a #1", "2021-03": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2020-12": "y" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-12": "y", "2024-01": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "thunderbird": { "macos": { "78.6": "y" } },
        "aol": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-12": "y" },
          "ios": { "2020-12": "y" },
          "android": { "2020-12": "y" }
        },
        "hey": { "desktop-webmail": { "2020-12": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-12": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. The attribute is supported, but the webmail has default styles setting all `<td>` to `vertical-align:top` in CSS."
      }
    },

    {
      "slug": "html-video",
      "title": "<video> element",
      "description": null,
      "url": "https://www.caniemail.com/features/html-video/",
      "category": "html",
      "tags": [],
      "keywords": "mp4",
      "last_test_date": "2019-09-16",
      "test_url": "https://www.caniemail.com/tests/html-video.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/C1W5YvmzphKLen2MeUNiYUoXRfk5w8WHKlhnXU7zWqJ7H/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.4": "a #5", "13.3": "a #5 #6" } },
        "gmail": {
          "desktop-webmail": { "2019-09": "n #2" },
          "ios": { "2019-09": "n #2" },
          "android": { "2019-09": "n #2" },
          "mobile-webmail": { "2020-02": "n #2" }
        },
        "orange": {
          "desktop-webmail": { "2019-09": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-09": "n #1", "2024-04": "n" },
          "android": { "2019-09": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "y #3",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2019-09": "n" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y #11" },
          "outlook-com": { "2019-09": "n #4", "2021-05": "n #8", "2024-01": "n #8" },
          "ios": { "2019-09": "n #4", "2021-05": "n #8" },
          "android": { "2019-09": "n #4", "2021-05": "n #8" }
        },
        "samsung-email": { "android": { "6.0": "a #5" } },
        "sfr": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "thunderbird": { "macos": { "60.9": "y" } },
        "aol": {
          "desktop-webmail": { "2019-09": "n #4" },
          "ios": { "2019-09": "n #4" },
          "android": { "2019-09": "n #4" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-09": "n #4" },
          "ios": { "2019-09": "n #4" },
          "android": { "2019-09": "n #4" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n #7" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n #9" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #10" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y #5 #6" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "y #5 #6" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "n #9" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "The `<video>` element is supported, but not the inner `<source>` element so no video can play.",
        "2": "`<video>`, `<source>` and `<track>` tags are replaced by `<u></u>` tags.",
        "3": "Buggy. Support depends on the version of Internet Explorer installed.",
        "4": "`<video>`, `<source>` and `<track>` tags are stripped. The fallback content is shown instead.",
        "5": "Partial support. Requires the `controls` attribute to play.",
        "6": "Partial support. `autoplay` is not supported.",
        "7": "The `<video>` element is supported and the `poster` image is visible, but the video can not play due to a strict Content Security Policy.",
        "8": "The `<video>` element is supported, but the video can not play due to a strict Content Security Policy.",
        "9": "Not supported. The `<video>` element and all its content is removed.",
        "10": "Not supported. The `src` attribute is replaced by `data-src`.",
        "11": "Partial support. The video can be played by doing a right click and play. But `autoplay` and `controls` are not supported."
      }
    },

    {
      "slug": "html-wbr",
      "title": "<wbr> element",
      "description": "",
      "url": "https://www.caniemail.com/features/html-wbr/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-02-28",
      "test_url": "https://www.caniemail.com/tests/HTML5.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Bzyzx8Z5Kvlfib1Fw9Ted8xtPE26RcjPSdUobdUywgJVm/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y" }, "ios": { "12.1": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-02": "n", "2020-02": "y" },
          "ios": { "2019-02": "n" },
          "android": { "2019-02": "a #1" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-08": "y", "2021-03": "n", "2024-04": "n" },
          "ios": { "2019-08": "y", "2024-04": "y" },
          "android": { "2020-01": "y", "2024-04": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2019-02": "n" },
          "macos": { "2019-02": "y", "16.80": "y" },
          "outlook-com": { "2019-02": "y", "2024-01": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "thunderbird": { "macos": { "60.8": "y" } },
        "yahoo": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "aol": {
          "desktop-webmail": { "2019-02": "y" },
          "ios": { "2019-02": "y" },
          "android": { "2019-02": "y" }
        },
        "samsung-email": { "android": { "5.0.10.2": "y" } },
        "sfr": {
          "desktop-webmail": { "2020-01": "y" },
          "ios": { "2020-01": "y" },
          "android": { "2020-01": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "n" },
          "android": { "2022-11": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "n" },
          "ios": { "2022-11": "n" },
          "android": { "2022-11": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "n" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partial. Supported with non Google accounts only." }
    },

    {
      "slug": "html-width",
      "title": "width attribute",
      "description": null,
      "url": "https://www.caniemail.com/features/html-width/",
      "category": "html",
      "tags": [],
      "keywords": null,
      "last_test_date": "2019-09-27",
      "test_url": "https://www.caniemail.com/tests/css-width-height.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/UhsQmS14DHKFfotKEcCTnWaoAiS24FJMiApZ1OtmHR7vs/list",
      "stats": {
        "apple-mail": { "macos": { "12.4": "y #3" }, "ios": { "12.4": "y" } },
        "gmail": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2019-09": "y", "2021-03": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "a #1 #2",
            "2010": "a #1 #2",
            "2013": "a #1 #2",
            "2016": "a #1 #2",
            "2019": "a #1 #2"
          },
          "windows-mail": { "2019-09": "y" },
          "macos": { "2011": "y", "2016": "y", "16.80": "y" },
          "outlook-com": { "2019-09": "y", "2024-01": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "samsung-email": { "android": { "6.0": "y" } },
        "sfr": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "thunderbird": { "macos": { "60.3": "y" } },
        "aol": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2019-09": "y" },
          "ios": { "2019-09": "y" },
          "android": { "2019-09": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-11": "y" },
          "ios": { "2022-11": "y" },
          "android": { "2022-11": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-11": "y" }, "android": { "2022-11": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. Percentage width on `<img>` elements are based on the physical file's width, not on the parent element's width.",
        "2": "Buggy. Sizes set in attributes don't scale in 120 dpi mode.",
        "3": "The `width` attribute is ignored on CID embedded images. See [#171](https://github.com/hteumeuleu/caniemail/issues/171)."
      }
    },

    {
      "slug": "image-apng",
      "title": "Animated PNG image format",
      "description": "Support for animated PNG image format",
      "url": "https://www.caniemail.com/features/image-apng/",
      "category": "image",
      "tags": [],
      "keywords": "image, apng, png, animation",
      "last_test_date": "2020-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-02": "n" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": "In all cases where the Animated PNG fails, it will fallback to show the first frame of the animation.",
      "notes_by_num": {}
    },

    {
      "slug": "image-avif",
      "title": "AVIF image format",
      "description": "A modern image format based on the AV1 video format.",
      "url": "https://www.caniemail.com/features/image-avif/",
      "category": "image",
      "tags": ["performance"],
      "keywords": "image,img,AVIF",
      "last_test_date": "2023-01-14",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/d69Dg0BGvV5zAiHI1fjKX6BDulsODM8eYdKO9QVxlNuUL/list",
      "stats": {
        "apple-mail": {
          "macos": { "11": "n", "12": "n", "13": "n", "13.1": "a #2", "13.3": "y" },
          "ios": { "11": "n", "12": "n", "13": "n", "14": "n", "16.2": "a #2", "16.4": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2021-01": "n", "2023-01": "a #3" },
          "ios": { "2021-01": "n", "2023-01": "a #3" },
          "android": { "2021-01": "n", "2023-01": "a #3" },
          "mobile-webmail": { "2021-01": "n", "2023-01": "a #3" }
        },
        "orange": {
          "desktop-webmail": { "2021-01": "y #1" },
          "ios": { "2021-01": "n" },
          "android": { "2021-05": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2021-01": "n" },
          "macos": { "2021-01": "n", "2023-01": "a #2", "2023-04": "y", "16.80": "y" },
          "outlook-com": { "2021-01": "y #1", "2024-01": "y #1" },
          "ios": { "2021-01": "n", "2023-01": "a #2", "2023-04": "y" },
          "android": { "4.2116.0": "y #1" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-01": "y #1" },
          "ios": { "2021-01": "n", "2023-01": "a #2", "2023-04": "y" },
          "android": { "6.27": "y #1" }
        },
        "aol": {
          "desktop-webmail": { "2021-01": "y #1" },
          "ios": { "2021-01": "n", "2023-01": "a #2", "2023-04": "y" },
          "android": { "2021-05": "y #1" }
        },
        "samsung-email": { "android": { "6.1.31.2": "n", "6.1.74.5": "y" } },
        "sfr": {
          "desktop-webmail": { "2021-01": "y #1" },
          "ios": { "2021-01": "n" },
          "android": { "2021-05": "y #1" }
        },
        "thunderbird": { "macos": { "78.10": "n", "102.6": "y #2" } },
        "protonmail": {
          "desktop-webmail": { "2021-01": "y #1" },
          "ios": { "2021-05": "n", "2023-01": "n", "2023-04": "y" },
          "android": { "2021-01": "y #1" }
        },
        "hey": { "desktop-webmail": { "2021-05": "n", "2023-01": "y" } },
        "mail-ru": { "desktop-webmail": { "2021-01": "n", "2023-01": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n", "2023-01": "n", "2023-04": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "n" },
          "android": { "2022-09": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "n" },
          "android": { "2022-09": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "n" }, "android": { "2022-09": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Support depends on browser and operating system support.",
        "2": "Does not support animated AVIF.",
        "3": "Converts still AVIF into a jpg and animated AVIF into a gif."
      }
    },

    {
      "slug": "image-base64",
      "title": "Base 64 image format",
      "description": "Support for Base 64 image format",
      "url": "https://www.caniemail.com/features/image-base64/",
      "category": "image",
      "tags": [],
      "keywords": "image, Base 64",
      "last_test_date": "2020-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "n", "2024-05": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "a #1" },
          "windows-mail": { "2020-02": "n" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "n #2", "2021-03": "y", "2024-04": "y" },
          "ios": { "2020-02": "n", "2024-04": "y" },
          "android": { "2020-02": "n", "2024-04": "y" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "n #2" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "n #2" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "a #3" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "a #3" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial: Does not render Base 64 gif format.",
        "2": "Not supported. The `src` is turned into a `nosrc` attribute.",
        "3": "Partial: Only supports Base 64 png format."
      }
    },

    {
      "slug": "image-bmp",
      "title": "BMP image format",
      "description": "Support for BMP image format",
      "url": "https://www.caniemail.com/features/image-bmp/",
      "category": "image",
      "tags": [],
      "keywords": "image, BMP",
      "last_test_date": "2020-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "a #1" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "a #1" },
          "mobile-webmail": { "2020-02": "a #1" }
        },
        "outlook": {
          "windows": { "2007": "y", "2010": "y", "2013": "y", "2016": "y", "2019": "y" },
          "windows-mail": { "2020-02": "y" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "n" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "n" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Buggy. An image renders but the colours are incorrect." }
    },

    {
      "slug": "image-gif",
      "title": "GIF image format",
      "description": "Support for GIF image format",
      "url": "https://www.caniemail.com/features/image-gif/",
      "category": "image",
      "tags": [],
      "keywords": "image, GIF",
      "last_test_date": "2020-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "outlook": {
          "windows": {
            "2007": "a #1",
            "2010": "a #1",
            "2013": "a #1",
            "2016": "a #1",
            "2019": "a #1 #2"
          },
          "windows-mail": { "2020-02": "y" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial: Does not support animated gif images.",
        "2": "Partial: With an Office 365 account, it plays the animation 3 times then stops and shows a play button to reactivate the animation."
      }
    },

    {
      "slug": "image-hdr",
      "title": "HDR image format",
      "description": "Support for HDR image format",
      "url": "https://www.caniemail.com/features/image-hdr/",
      "category": "image",
      "tags": [],
      "keywords": "image, HDR",
      "last_test_date": "2020-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": { "macos": { "13": "n" }, "ios": { "13": "n" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" },
          "mobile-webmail": { "2020-02": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-02": "n" },
          "macos": { "2016": "y", "2019": "n", "16.80": "n" },
          "outlook-com": { "2020-02": "n", "2024-01": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "samsung-email": { "android": { "9.0": "n" } },
        "thunderbird": { "windows": { "2020-02": "n" }, "macos": { "68.4": "n" } },
        "aol": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n" },
          "ios": { "2020-03": "n" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "n" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "n" },
          "android": { "2022-09": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "n" },
          "android": { "2022-09": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "n" }, "android": { "2022-09": "n" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "image-heif",
      "title": "HEIF image format",
      "description": "Support for HEIF image format",
      "url": "https://www.caniemail.com/features/image-heif/",
      "category": "image",
      "tags": [],
      "keywords": "image, HEIF",
      "last_test_date": "2020-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": { "macos": { "13": "n", "16": "y #2" }, "ios": { "13": "n", "17": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "a #1", "2024-02": "a #1" },
          "ios": { "2020-02": "n", "2024-02": "a #1" },
          "android": { "2020-02": "a #1", "2024-02": "a #1" },
          "mobile-webmail": { "2020-02": "a #1", "2024-02": "a #1" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-02": "n", "2024-02": "n" },
          "macos": { "2016": "n", "2019": "n", "16.80": "y" },
          "outlook-com": { "2020-02": "n", "2024-02": "n" },
          "ios": { "2020-02": "n", "2024-02": "y" },
          "android": { "2020-02": "n", "2024-02": "n" }
        },
        "samsung-email": { "android": { "9.0": "n" } },
        "thunderbird": {
          "windows": { "2020-02": "n", "115.7": "n" },
          "macos": { "68.4": "n", "115.7": "n" }
        },
        "aol": {
          "desktop-webmail": { "2020-02": "n", "2024-02": "a #3" },
          "ios": { "2020-02": "n", "2024-02": "y" },
          "android": { "2020-02": "n", "2024-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "n", "2024-02": "a #3" },
          "ios": { "2020-02": "n", "2024-02": "y" },
          "android": { "2020-02": "n", "2024-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "n", "2021-03": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "n" },
          "android": { "2020-02": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "n", "2024-02": "a #3" },
          "ios": { "2020-03": "n", "2024-02": "y" },
          "android": { "2020-03": "n", "2024-02": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "n" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "n" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "n" },
          "android": { "2022-09": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "n" },
          "android": { "2022-09": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "n" }, "android": { "2022-09": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial: Converts file to jpg.",
        "2": "Supported on macOS 14 Sonoma.",
        "3": "Partial. Webmail rendering depends on browser support."
      }
    },

    {
      "slug": "image-ico",
      "title": "ICO image format",
      "description": "Support for ICO image format",
      "url": "https://www.caniemail.com/features/image-ico/",
      "category": "image",
      "tags": [],
      "keywords": "image, ICO",
      "last_test_date": "2020-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-02": "y" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "image-jpg",
      "title": "JPG image format",
      "description": "Support for JPG image format",
      "url": "https://www.caniemail.com/features/image-jpg/",
      "category": "image",
      "tags": [],
      "keywords": "image, JPG, jpeg",
      "last_test_date": "2020-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2020-02": "y" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "image-mp4",
      "title": "Video as Image Assets",
      "description": "WebKit in Safari supports loading H.264 encoded MP4 video with an HTML tag or as a CSS background.",
      "url": "https://www.caniemail.com/features/image-mp4/",
      "category": "image",
      "tags": [],
      "keywords": "mp4",
      "last_test_date": "2021-05-13",
      "test_url": "https://www.caniemail.com/tests/video-as-img.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/zvrwvdXQmUlQraqSQK6MRTbapeBTBX0VBWZ0h2KMVCwk6/list",
      "stats": {
        "apple-mail": { "macos": { "11": "y", "14": "y" }, "ios": { "11": "y", "14.5": "y" } },
        "gmail": {
          "desktop-webmail": { "2021-05": "n" },
          "ios": { "2021-05": "n" },
          "android": { "2021-05": "n" },
          "mobile-webmail": { "2021-05": "n" }
        },
        "orange": {
          "desktop-webmail": { "2021-05": "y #1" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "n" }
        },
        "outlook": {
          "windows": {
            "2003": "n #2",
            "2007": "n",
            "2010": "n",
            "2013": "n",
            "2016": "n",
            "2019": "n"
          },
          "windows-mail": { "2021-05": "n" },
          "macos": { "2011": "n", "2016": "y", "16.80": "n" },
          "outlook-com": { "2021-05": "y #1", "2024-01": "y #1" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "n" }
        },
        "samsung-email": { "android": { "6.0": "n" } },
        "sfr": {
          "desktop-webmail": { "2021-05": "y #1" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "n" }
        },
        "thunderbird": { "macos": { "78.19": "n" } },
        "aol": {
          "desktop-webmail": { "2021-05": "y #1" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2021-05": "y #1" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2021-05": "y #1" },
          "ios": { "2021-05": "y" },
          "android": { "2021-05": "n" }
        },
        "hey": { "desktop-webmail": { "2021-05": "n" } },
        "mail-ru": { "desktop-webmail": { "2021-05": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y #1" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "n" }, "android": { "2022-09": "n" } }
      },
      "notes": "As of may 2021, using Video as Image Assets is only supported in WebKit and Safari.",
      "notes_by_num": {
        "1": "Only supported in Safari.",
        "2": "A similar can be achieved using the [`dynsrc` attribute](https://docs.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-developer/platform-apis/ms533742(v=vs.85))."
      }
    },

    {
      "slug": "image-png",
      "title": "PNG image format",
      "description": "Support for PNG image format",
      "url": "https://www.caniemail.com/features/image-png/",
      "category": "image",
      "tags": [],
      "keywords": "image, PNG",
      "last_test_date": "2020-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" },
          "mobile-webmail": { "2020-02": "y" }
        },
        "outlook": {
          "windows": {
            "2003": "y",
            "2007": "y",
            "2010": "y",
            "2013": "y",
            "2016": "y",
            "2019": "y"
          },
          "windows-mail": { "2020-02": "y" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": null
    },

    {
      "slug": "image-svg",
      "title": "SVG image format",
      "description": "Support for SVG image format, as a linked file. See [SVG html](/features/html-svg) for embedded SVG support.",
      "url": "https://www.caniemail.com/features/image-svg/",
      "category": "image",
      "tags": [],
      "keywords": "image, SVG",
      "last_test_date": "2023-01-15",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": {
          "macos": { "13": "n", "14": "y" },
          "ios": { "13": "n", "14": "n", "15": "y" }
        },
        "gmail": {
          "desktop-webmail": { "2020-02": "n", "2023-01": "n", "2024-07": "n" },
          "ios": { "2020-02": "a #1", "2023-01": "a #1" },
          "android": { "2020-02": "a #1", "2023-01": "a #1" },
          "mobile-webmail": { "2020-02": "n", "2023-01": "n" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "y" },
          "windows-mail": { "2020-02": "y" },
          "macos": { "2016": "n", "13.1": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y", "2024-01": "y" },
          "ios": { "2020-02": "n", "2023-01": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n", "2023-01": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": { "1": "Partially supported. Only works with non Google accounts." }
    },

    {
      "slug": "image-tiff",
      "title": "TIFF image format",
      "description": "Support for TIFF image format",
      "url": "https://www.caniemail.com/features/image-tiff/",
      "category": "image",
      "tags": [],
      "keywords": "image, TIFF",
      "last_test_date": "2020-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
      "stats": {
        "apple-mail": { "macos": { "13": "y" }, "ios": { "13": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "a #1" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "a #1 #2" },
          "mobile-webmail": { "2020-02": "a #1" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-02": "y" },
          "macos": { "2016": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "n", "2024-01": "n" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" }
        },
        "samsung-email": { "android": { "9.0": "n" } },
        "thunderbird": { "windows": { "2020-02": "n" }, "macos": { "68.4": "n" } },
        "aol": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "n" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "n" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "y" },
          "android": { "2020-02": "n" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "y" },
          "android": { "2020-03": "n" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "n" } },
        "fastmail": { "desktop-webmail": { "2021-07": "n" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "n" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "n" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "n" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "n" }, "android": { "2022-09": "n" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Buggy. An image renders but the colours are incorrect.",
        "2": "Partial. Does not render with non Google accounts."
      }
    },

    {
      "slug": "image-webp",
      "title": "webP image format",
      "description": "Support for webP image format",
      "url": "https://www.caniemail.com/features/image-webp/",
      "category": "image",
      "tags": ["performance"],
      "keywords": "image, webP",
      "last_test_date": "2021-02-06",
      "test_url": "https://www.caniemail.com/tests/images.html",
      "test_results_url": "https://app.emailonacid.com/app/acidtest/Fykm4EjEiDat8FSTWcKYdh26kFWklJuyERBKIsasMB2VH/list",
      "stats": {
        "apple-mail": { "macos": { "13": "n", "14": "y" }, "ios": { "13": "n", "14": "y" } },
        "gmail": {
          "desktop-webmail": { "2020-02": "a #1 #3" },
          "ios": { "2020-02": "n", "2021-02": "a #1 #3" },
          "android": { "2020-02": "a #1 #3" },
          "mobile-webmail": { "2020-02": "a #1 #3" }
        },
        "outlook": {
          "windows": { "2007": "n", "2010": "n", "2013": "n", "2016": "n", "2019": "n" },
          "windows-mail": { "2020-02": "y #3" },
          "macos": { "2016": "n", "16.47": "y", "16.80": "y" },
          "outlook-com": { "2020-02": "y #2", "2024-01": "y #2" },
          "ios": { "2020-02": "n", "2021-02": "y" },
          "android": { "2020-02": "y" }
        },
        "samsung-email": { "android": { "9.0": "y" } },
        "thunderbird": { "windows": { "2020-02": "y" }, "macos": { "68.4": "y" } },
        "aol": {
          "desktop-webmail": { "2020-02": "y #2" },
          "ios": { "2020-02": "n", "2021-02": "y" },
          "android": { "2020-02": "y" }
        },
        "yahoo": {
          "desktop-webmail": { "2020-02": "y #2" },
          "ios": { "2020-02": "n", "2021-02": "y" },
          "android": { "2020-02": "y" }
        },
        "orange": {
          "desktop-webmail": { "2020-02": "y", "2021-03": "y" },
          "ios": { "2020-02": "n", "2021-02": "y" },
          "android": { "2020-02": "y" }
        },
        "sfr": {
          "desktop-webmail": { "2020-02": "y" },
          "ios": { "2020-02": "n", "2021-02": "y" },
          "android": { "2020-02": "y" }
        },
        "protonmail": {
          "desktop-webmail": { "2020-03": "y" },
          "ios": { "2020-03": "n", "2021-02": "y" },
          "android": { "2020-03": "y" }
        },
        "hey": { "desktop-webmail": { "2020-06": "y" } },
        "mail-ru": { "desktop-webmail": { "2020-10": "y" } },
        "fastmail": { "desktop-webmail": { "2021-07": "y" } },
        "laposte": { "desktop-webmail": { "2021-08": "y" } },
        "gmx": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "web-de": {
          "desktop-webmail": { "2022-09": "y" },
          "ios": { "2022-09": "y" },
          "android": { "2022-09": "y" }
        },
        "ionos-1and1": { "desktop-webmail": { "2022-09": "y" }, "android": { "2022-09": "y" } }
      },
      "notes": null,
      "notes_by_num": {
        "1": "Partial: Converts file to jpg.",
        "2": "Partial. Webmail rendering depends on browser support.",
        "3": "Partial. Does not support animation."
      }
    }
  ]
}