html{scroll-behavior:smooth}button#back-to-top{background-color:transparent;border-color:#bcbcbc;border-radius:50%;bottom:2rem;color:#bcbcbc;padding:15px;position:fixed;right:2rem;visibility:hidden}button#back-to-top:hover{background:#bcbcbc;color:#fff;cursor:pointer}button#back-to-top svg{height:25px;width:25px}.fade-in{opacity:1;transition:visibility 0s linear 0s,opacity .3s;visibility:visible!important}.fade-out{opacity:0;transition:visibility 0s linear .3s,opacity .3s;visibility:hidden!important}