.rd-back-to-top{align-items:center;background:var(--rd-sky);bottom:2rem;box-shadow:0 .75rem 1.5rem rgba(0,0,0,.15);color:#fff;display:flex;height:3.25rem;justify-content:center;opacity:0;pointer-events:none;position:fixed;right:2rem;text-decoration:none;transform:translateY(1rem);transition:opacity .25s ease,visibility .25s ease,transform .25s ease,background .2s ease;visibility:hidden;width:3.25rem;z-index:9999}.rd-back-to-top svg{height:1.5rem;width:1.5rem}.rd-back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);visibility:visible}.rd-back-to-top:focus,.rd-back-to-top:hover{background:var(--rd-ink);color:#fff;transform:translateY(-.2rem)}@media (max-width:48rem){.rd-back-to-top{bottom:1rem;height:2.75rem;right:1rem;width:2.75rem}.rd-back-to-top svg{height:1.35rem;width:1.35rem}}