html{scroll-behavior:smooth}#scroll-to-top{background-color:rgba(19,20,25,.6);width:44px;height:40px;position:fixed;bottom:0;right:40px;border-radius:5px 5px 0 0;box-shadow:0 0 10px rgba(0,0,0,.2);text-align:center}#scroll-to-top i{color:#fff;font-size:22px;line-height:44px}