.whatsapp-button {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 1000;
    width: 50px;
    height: 50px;
    cursor: pointer;
}

.whatsapp-button img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s;
}

.whatsapp-button img:hover {
    transform: scale(1.1);
}