.back-to-top{background-color:var(--primary);border:2px solid var(--white);cursor:pointer;opacity:0;pointer-events:none;z-index:1000;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;transition:opacity .25s;display:flex;position:fixed;bottom:30px;right:30px}.back-to-top.visible{opacity:1;pointer-events:auto}@media (max-width:426px){.back-to-top{width:45px;height:45px;bottom:15px}}