#whatsapp {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: white;
    padding: 10px 15px;
    border-radius: 50%;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 1000;
}

#whatsapp-icon {
    font-size: 24px;
}

#whatsapp:hover {
    background-color: #20b955;
}