#back-to-top{background:#66c;border:0;border-radius:4px 0 0 0;bottom:0;color:#fff;cursor:pointer;font-size:21px;font-weight:700;line-height:21.94px;min-width:206px;opacity:0;padding:11px 30px 9px;position:fixed;right:0;text-align:center;text-decoration:none;transition:all .3s ease-in-out;z-index:9999}#back-to-top:hover{background-color:#4141a4}#back-to-top.show{opacity:1}