.whatsapp-popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    z-index: 1000;
}

.whatsapp-popup img {
    width: 50px;
    height: 50px;
}

.whatsapp-popup.show {
    opacity: 1;
    transform: translateY(0);
}