.back-to-top{background-color:#041e42;border:none;border-radius:40px;bottom:20px;cursor:pointer;display:none;font-size:16px;outline:none;padding:15px;position:fixed;right:20px;transition:background-color .3s,color .3s;z-index:99}.back-to-top:hover{background-color:#fcd116}.arrow-up{border:solid #fff;border-width:0 3px 3px 0;display:inline-block;padding:3px;transform:rotate(-135deg);-webkit-transform:rotate(-135deg)}