.back-to-top{z-index:calc(var(--z-index-sticky) - 2);position:fixed;right:30px;bottom:24px;width:50px;height:50px;color:var(--color-top-button-text-color);background-color:rgba(41,41,41,.4);transition:transform .3s cubic-bezier(.455,.03,.515,.955)}.back-to-top:hover{background-color:rgba(41,41,41,.6)}.back-to-top[show]{transform:translateY(0)}@media (min-width:960px){.back-to-top{right:20px;bottom:120px;transform:translateY(200%)}}