@keyframes moveLeftToRight{0%{transform:translateX(0)}50%{transform:translateX(10px)}to{transform:translateX(0)}}.button{position:relative;background-color:#000;border-radius:4em;font-size:16px;color:#fff;padding:.8em 1.8em;-webkit-user-select:none;-moz-user-select:none;user-select:none;text-align:center;text-decoration:none;cursor:pointer;transition-duration:.4s;-webkit-transition-duration:.4s}.button:hover{transition-duration:.1s;background-color:#3a3a3a}.button:after{content:"";display:block;width:100%;height:100%;opacity:0;transition:all .5s;box-shadow:0 0 10px 40px #fff}.button:active:after,.button:after{position:absolute;border-radius:4em;left:0;top:0}.button:active:after{box-shadow:0 0 0 0 #fff;opacity:1;transition:0s}.button:active{top:1px}