#whatsapp-button {position:fixed;bottom:20px;right:20px;width:60px;height:60px;background-color:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 6px rgba(0,0,0,0.3);z-index:9999;animation:whatsapp-bounce 2s infinite;cursor:pointer}#whatsapp-button img {width: 35px;height:35px}@keyframes whatsapp-bounce {0%, 20%, 50%, 80%, 100% { transform: translateY(0); }40% { transform:translateY(-10px); }60% { transform:translateY(-5px); }}