.whatsapp-float{position:fixed;bottom:20px;right:20px;background-color:#25d366;color:white;font-size:16px;font-weight:700;padding:12px 20px;border-radius:30px;box-shadow:0 4px 10px rgba(0,0,0,.3);z-index:999;text-decoration:none;display:flex;align-items:center;transition:background-color .3s ease}@media (max-width:767px){.whatsapp-float{bottom:20px;right:15px}}