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75 lines
1.9 KiB
75 lines
1.9 KiB
// mixins |
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// -------------------------- |
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// base rendering for an icon |
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@mixin fa-icon { |
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-webkit-font-smoothing: antialiased; |
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-moz-osx-font-smoothing: grayscale; |
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display: inline-block; |
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font-style: normal; |
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font-variant: normal; |
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font-weight: normal; |
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line-height: 1; |
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} |
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// sets relative font-sizing and alignment (in _sizing) |
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@mixin fa-size ($font-size) { |
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font-size: fa-divide($font-size, $fa-size-scale-base) * 1em; // converts step in sizing scale into an em-based value that's relative to the scale's base |
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line-height: fa-divide(1, $font-size) * 1em; // sets the line-height of the icon back to that of it's parent |
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vertical-align: (fa-divide(6, $font-size) - fa-divide(3, 8)) * 1em; // vertically centers the icon taking into account the surrounding text's descender |
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} |
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// only display content to screen readers |
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// see: https://www.a11yproject.com/posts/2013-01-11-how-to-hide-content/ |
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// see: https://hugogiraudel.com/2016/10/13/css-hide-and-seek/ |
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@mixin fa-sr-only() { |
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position: absolute; |
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width: 1px; |
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height: 1px; |
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padding: 0; |
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margin: -1px; |
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overflow: hidden; |
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clip: rect(0, 0, 0, 0); |
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white-space: nowrap; |
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border-width: 0; |
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} |
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// use in conjunction with .sr-only to only display content when it's focused |
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@mixin fa-sr-only-focusable() { |
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&:not(:focus) { |
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@include fa-sr-only(); |
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} |
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} |
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// sets a specific icon family to use alongside style + icon mixins |
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// convenience mixins for declaring pseudo-elements by CSS variable, |
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// including all style-specific font properties, and both the ::before |
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// and ::after elements in the duotone case. |
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@mixin fa-icon-solid($fa-var) { |
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@extend %fa-icon; |
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@extend .fa-solid; |
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&::before { |
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content: unquote("\"#{ $fa-var }\""); |
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} |
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} |
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@mixin fa-icon-regular($fa-var) { |
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@extend %fa-icon; |
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@extend .fa-regular; |
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&::before { |
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content: unquote("\"#{ $fa-var }\""); |
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} |
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} |
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@mixin fa-icon-brands($fa-var) { |
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@extend %fa-icon; |
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@extend .fa-brands; |
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&::before { |
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content: unquote("\"#{ $fa-var }\""); |
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} |
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} |
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