@keyframes shimmer-repeat{0%{left:-10%}to{left:120%}}.btn-shimmer:after{background:#fff;content:"";height:200%;left:-75px;opacity:.2;position:absolute;top:-50%;transform:rotate(35deg);transition:all .55s cubic-bezier(.19,1,.22,1);width:50px;z-index:10;animation:shimmer-repeat 1.5s infinite}