html{scroll-behavior:smooth}button#myBtn{align-items:center;background:#ccc;border:0;border-radius:100%;bottom:20px;box-shadow:0 0 10px #0000002e;color:#fff;cursor:pointer;display:flex;font-size:12px;font-weight:600;height:60px;justify-content:center;position:fixed;right:20px;transition:all .2s linear;width:60px;z-index:99999}button#myBtn:before{color:#000;content:"\2191";font-size:16px;margin-right:0}button#myBtn:hover{box-shadow:0 0 20px #0000002e}button.btn-left{left:20px!important}button.btn-center{display:block;left:50%;margin-left:-15px;right:auto!important}button.btn-right{right:20px!important}