.back-to-top{position:fixed;right:20px;bottom:20px;z-index:90;border:1px solid #73929c;border-radius:0;background:#103c4b;color:#fff;padding:12px 16px;font:600 14px/1.3 Arial,sans-serif;cursor:pointer;box-shadow:0 4px 14px #082a3633;display:flex;align-items:center;gap:9px}.back-to-top[hidden]{display:none}.back-to-top span{font-size:22px}.back-to-top:hover{background:#006e80}.back-to-top:focus-visible{outline:3px solid #e6c98c;outline-offset:3px}@media(max-width:600px){.back-to-top{right:12px;padding:10px 12px}}