#whatsapp-button {
    position: fixed;
    bottom: 100px;
    right: 20px;
    background-color: #25D366;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    z-index: 9999;
    animation: pulse 2s infinite;
    text-decoration: none;
}

#whatsapp-button svg {
    width: 32px;
    height: 32px;
}

#whatsapp-button:hover {
    transform: scale(1.1);
    transition: transform 0.2s ease;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}