a.to-top{align-items:center;background-color:rgba(0,0,0,.2);bottom:15px;display:flex;height:45px;justify-content:center;position:fixed;right:15px;transform:translateX(60px);transition:transform .2s ease-out,opacity .2s linear;width:45px}a.to-top.fixed{transform:translateX(0)}a.to-top :focus,a.to-top:hover{background-color:rgba(0,0,0,.5)}