.whatsapp-button{position:fixed;bottom:20px;right:20px;background-color:#10b982;color:#fff;padding:10px 20px;border-radius:50px;display:flex;align-items:center;font-size:16px;text-decoration:none;box-shadow:0 4px 10px rgba(0,0,0,.1);transition:background-color .3s;z-index:1000}.whatsapp-button img{width:32px;height:32px;margin-right:10px}.whatsapp-button:hover{transform:scale(1.05)}@media (max-width:768px){.whatsapp-button{width:50px;height:50px;padding:0;background-color:transparent;border-radius:50%;justify-content:center}.whatsapp-button img{width:100%;height:100%;border-radius:50%;margin:0}.whatsapp-button span{display:none}}