#whatsapp-button {
    position: fixed;
    bottom: 100px;
    right: 20px;
    z-index: 1000;
    opacity: 1;
    visibility: visible;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#whatsapp-button a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.5s ease-in-out, box-shadow 0.5s ease-in-out;
}

#whatsapp-button a:hover {
    transform: scale(1.15);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

#whatsapp-button img {
    width: 40px;
    height: 40px;
}