#cbm-top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border:0;border-radius:50%;background:#008ea5;color:white;font-size:25px;font-weight:800;box-shadow:0 8px 28px #0003;z-index:9999;opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}#cbm-top.show{opacity:1;transform:none;pointer-events:auto}#cbm-top:hover{filter:brightness(.92)}