#backtop{align-items:center;background-color:rgba(255,71,0,.75);bottom:20px;cursor:pointer;display:none;height:2.5rem;justify-content:center;position:fixed;right:20px;width:2.5rem;z-index:9999}#backtop .svg-inline--fa{color:#fff;font-size:1.5rem}#backtop:hover{opacity:.5}#backtop.show{display:flex}