.c-back-to-top{z-index:40;background:var(--color-yellow);color:#111;cursor:pointer;opacity:0;pointer-events:none;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;transition:opacity .25s,transform .25s;display:flex;position:fixed;bottom:16px;right:16px;transform:translateY(8px);box-shadow:0 4px 14px #00000059}.c-back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}@media (min-width:768px){.c-back-to-top{bottom:24px;right:24px}}