.scroll-top{background:#2e98ca;border:none;border-radius:50%;bottom:24px;color:#fff;cursor:pointer;height:44px;opacity:0;position:fixed;right:24px;transform:translateY(10px);transition:opacity .3s ease,transform .3s ease,background-color .25s ease-in-out;visibility:hidden;width:44px;z-index:9999}.scroll-top.is-visible{opacity:1;transform:translateY(0);visibility:visible}.scroll-top:hover{background:#2f79a6}