#back-to-top{display:inline-block;background-color:#007bff;width:50px;height:50px;text-align:center;border-radius:100rem;position:fixed;bottom:30px;right:30px;transition:background-color .3s, opacity .5s, visibility .5s;opacity:0;visibility:hidden;z-index:1000}#back-to-top:after{content:"\f106";font-family:"Font Awesome 5 Free";font-weight:900;font-size:1.5em;line-height:50px;color:#fff}#back-to-top.show{opacity:1;visibility:visible;cursor:pointer}#back-to-top.show:hover,#back-to-top.show:focus{text-decoration:none}