1 | // Only display content to screen readers
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2 | //
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3 | // See: https://a11yproject.com/posts/how-to-hide-content/
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4 | // See: https://hugogiraudel.com/2016/10/13/css-hide-and-seek/
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5 |
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6 | @mixin sr-only {
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7 | position: absolute;
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8 | width: 1px;
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9 | height: 1px;
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10 | padding: 0;
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11 | overflow: hidden;
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12 | clip: rect(0, 0, 0, 0);
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13 | white-space: nowrap;
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14 | border: 0;
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15 | }
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16 |
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17 | // Use in conjunction with .sr-only to only display content when it's focused.
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18 | //
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19 | // Useful for "Skip to main content" links; see https://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
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20 | //
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21 | // Credit: HTML5 Boilerplate
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22 |
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23 | @mixin sr-only-focusable {
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24 | &:active,
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25 | &:focus {
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26 | position: static;
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27 | width: auto;
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28 | height: auto;
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29 | overflow: visible;
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30 | clip: auto;
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31 | white-space: normal;
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32 | }
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33 | }
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