// Rem output with px fallback @mixin font-size($sizeValue: 16, $lineHeight: false ) { font-size: $sizeValue + px; font-size: ($sizeValue / 16) + rem; @if ($lineHeight) { line-height: $lineHeight; } } @mixin hover-state { &:hover, &:active, &:focus { @content; } } @keyframes loading-fade { 0% { opacity: 0.7; } 50% { opacity: 1; } 100% { opacity: 0.7; } } // Adds animation to placeholder section @mixin placeholder( $lighten-percentage: 30% ) { animation: loading-fade 1.6s ease-in-out infinite; background-color: $core-grey-light-500; color: transparent; &::after { content: "\00a0"; } @media screen and (prefers-reduced-motion: reduce) { animation: none; } } // Adds animation to transforms @mixin animate-transform( $duration: 0.2s ) { transition: transform ease $duration; @media screen and (prefers-reduced-motion: reduce) { transition: none; } } // Hide an element from sighted users, but availble to screen reader users. @mixin visually-hidden() { clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%); height: 1px; width: 1px; margin: -1px; overflow: hidden; /* Many screen reader and browser combinations announce broken words as they would appear visually. */ overflow-wrap: normal !important; word-wrap: normal !important; } // Unhide a visually hidden element @mixin visually-shown() { clip: auto; clip-path: none; height: auto; width: auto; margin: unset; overflow: hidden; }