.cta__text:before{position:absolute;content:"";height:1px;width:100%;bottom:0;left:0;transition:.3s;transform:scale(0);transform-origin:left}.cta:hover .cta__text:before{animation:cta .6s linear forwards}@keyframes cta{0%{transform:scale(0);transform-origin:left}49%{transform:scale(1);transform-origin:left}50%{transform:scale(1);transform-origin:right}to{transform:scale(0);transform-origin:right}}