#whatsapp-chat-btn{position:fixed;bottom:20px;right:20px;background:#25D366;border-radius:50%;width:60px;height:60px;border:none;font-size:0;z-index:1000;cursor:pointer;background-image:url('https://upload.wikimedia.org/wikipedia/commons/6/6b/WhatsApp.svg');background-size:60%;background-repeat:no-repeat;background-position:center;}#chat-box{position:fixed;bottom:90px;right:20px;background:#fff;border:1px solid #ccc;border-radius:15px;width:300px;padding:15px;box-shadow:0 4px 12px rgba(0,0,0,0.15);z-index:1000;font-family:Arial,sans-serif;}#chat-box select,#chat-box button{width:100%;padding:10px;margin-top:10px;border-radius:8px;border:1px solid #ccc;}