2 // --------------------------
4 // base rendering for an icon
6 -webkit-font-smoothing: antialiased;
7 -moz-osx-font-smoothing: grayscale;
15 // sets relative font-sizing and alignment (in _sizing)
16 @mixin fa-size ($font-size) {
17 font-size: fa-divide($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
18 line-height: fa-divide(1, $font-size) * 1em; // sets the line-height of the icon back to that of it's parent
19 vertical-align: (fa-divide(6, $font-size) - fa-divide(3, 8)) * 1em; // vertically centers the icon taking into account the surrounding text's descender
22 // only display content to screen readers
23 // see: https://www.a11yproject.com/posts/2013-01-11-how-to-hide-content/
24 // see: https://hugogiraudel.com/2016/10/13/css-hide-and-seek/
32 clip: rect(0, 0, 0, 0);
37 // use in conjunction with .sr-only to only display content when it's focused
38 @mixin fa-sr-only-focusable() {
40 @include fa-sr-only();
44 // sets a specific icon family to use alongside style + icon mixins
46 // convenience mixins for declaring pseudo-elements by CSS variable,
47 // including all style-specific font properties, and both the ::before
48 // and ::after elements in the duotone case.
49 @mixin fa-icon-solid($fa-var) {
54 content: unquote("\"#{ $fa-var }\"");
58 @mixin fa-icon-regular($fa-var) {
63 content: unquote("\"#{ $fa-var }\"");
67 @mixin fa-icon-brands($fa-var) {
72 content: unquote("\"#{ $fa-var }\"");