.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:10;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#18a957;color:#fff;text-decoration:none;font-weight:800;font-size:.8rem;box-shadow:0 10px 28px rgba(0,0,0,.22)}
.whatsapp-float:hover{transform:translateY(-2px)}