@include keyframes(bounce) { 0%, 20%, 50%, 80%, 100% {@include transform(translateY(0));} 40% {@include transform(translateY(-30px));} 60% {@include transform(translateY(-15px));} } @mixin bounce($count: $countDefault, $duration: $durationDefault, $delay: $delayDefault, $function: $functionDefault, $fill: $fillDefault, $visibility: $visibilityDefault) { @include animation-name(bounce); @include count($count); @include duration($duration); @include delay($delay); @include function($function); @include fill-mode($fill); @include visibility($visibility); }