.s-back-top{position:fixed;inset-inline-end:var(--s-size-xl);bottom:var(--s-size-4xl);z-index:var(--s-z-index-secondary);display:flex;justify-content:center;align-items:center;min-width:var(--s-size-4xl);height:var(--s-size-4xl);padding:0 var(--s-size-sm);border-radius:var(--s-border-radius-full);font-size:var(--s-font-size-xl);color:var(--s-white);background:var(--s-color-primary);box-shadow:var(--s-box-shadow-secondary);cursor:pointer;pointer-events:none;opacity:0;transition:opacity var(--s-duration)}.s-back-top:active{opacity:var(--s-opacity-active)}.s-back-top--visible{pointer-events:auto;opacity:1}