.scroll-to-top-button{background:#263238;display:block;width:50px;height:50px;-webkit-box-shadow:0 0 10px 0 rgba(38,50,56,.5);box-shadow:0 0 10px 0 rgba(38,50,56,.5);border-radius:50%;-webkit-transition:all .25s ease-in-out , bottom .7s ease-in-out;transition:all .25s ease-in-out , bottom .7s ease-in-out;opacity:.3;color:#fff;font-size:2rem;line-height:48px;text-align:center;text-decoration:none;cursor:pointer;position:fixed;right:2rem;bottom:-200px;z-index:800}.scroll-to-top-button.active{bottom:50px}.scroll-to-top-button:hover{background:#263238;color:#fff;opacity:1}