@keyframes rotate{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes shine{0%{left:-100%}to{left:100%}}.button-shine{position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.2),transparent);transition:left .6s ease}.button-shine:hover{left:100%}