.back-to-top{color:#fff;text-align:center;font-size:20px;bottom:100px;position:fixed;right:100px;display:none;padding-top:13px;height:50px;width:50px;z-index:1000;border:0;border-radius:50%;background:#00A79D;box-shadow:0 0 9px rgba(153, 153, 153, .8)}.back-to-top:hover{background:#00776D;color:#fff}.back-to-top .icon{font-size:20px;stroke:#fff}.back-to-top .icon path{stroke-width:5}