.back-face,.front-face{width:100%;height:100%;transition:transform .6s}.front-face{z-index:2}.back-face{opacity:0}@keyframes back-face-flip-in{0%{transform:scaleX(-1)}to{transform:scaleX(1)}}.perspective:hover .front-face{transform:scaleX(-1);opacity:0}.perspective:hover .back-face{animation:back-face-flip-in .6s;opacity:1}.selected .front-face{transform:scaleX(-1);opacity:0}.selected .back-face{animation:back-face-flip-in .6s;opacity:1}