#upButton{z-index:99;color:#fff;cursor:pointer;opacity:0;background-color:red;border:none;border-radius:10px;outline:none;padding:15px;font-size:18px;transition:all .5s;position:fixed;bottom:20px;right:30px}#upButton:hover{background-color:#555}a.nav-link{margin-right:52px;font-size:20px}body{min-height:100vh;position:relative}#content{padding-bottom:6rem}footer{width:100%;height:5rem;padding:1px;position:absolute;bottom:0}html{scroll-behavior:auto!important}