.back-to-top{bottom:40px;cursor:pointer;opacity:0;position:fixed;right:40px;transition:opacity .3s ease;z-index:1000}.circle-icon-only{align-items:center;background-color:#00325f;border:2px solid #fff;border-radius:50%;color:#fff;display:flex;height:60px;justify-content:center;transition:background-color .3s ease,border-color .3s ease;width:60px}.circle-icon-only:hover{background-color:#8a9cb6;border-color:#8a9cb6}.circle-icon-only i{font-size:20px;line-height:1}