@if $use-slideInLeft == true { @-webkit-keyframes slideInLeft { 0% { -webkit-transform: translate3d(-100%, 0, 0); visibility: visible; } 100% { -webkit-transform: translate3d(0, 0, 0); } } @keyframes slideInLeft { 0% { transform: translate3d(-100%, 0, 0); visibility: visible; } 100% { transform: translate3d(0, 0, 0); } } .slideInLeft { @include animate-prefixer(animation-name, slideInLeft); } }