{
  "all": {
    "manifest_version": 3,

    "icons": {
      "16": "icons/icon-16x16.png",
      "48": "icons/icon-48x48.png",
      "128": "icons/icon-128x128.png"
    },

    "permissions": [
      "storage",
      "tabs"
    ],

    "host_permissions": [ "*://*/*" ],
    "content_security_policy": {
      "extension_pages": "script-src 'self'; object-src 'self';"
    },
    "web_accessible_resources": [
      {
        "resources": [ "*" ],
        "matches": [ "*://*/*" ]
      }
    ],

    "action": {
      "default_popup": "www/index.html"
    },

    "content_scripts": [
      {
        "matches": [ "<all_urls>" ],
        "css": [ "assets/content.css" ],
        "js": [ "my-content-script.js" ]
      }
    ]
  },

  "chrome": {
    "background": {
      "service_worker": "background.js"
    }
  },

  "firefox": {
    "background": {
      "scripts": [ "background.js" ]
    }
  }
}