.tooltip{position:absolute;bottom:70px;right:0;background:rgba(0,0,0,.85);padding:6px 12px;border-radius:6px;color:#fff;font-size:13px;opacity:0;pointer-events:none;transition:.3s ease}.whatsapp-float:hover .tooltip{opacity:1}@media (max-width:600px){.tooltip{bottom:65px;font-size:12px}}