.whatsapp-button {
    position: fixed;
    bottom: 50px;
    right: 20px;
    z-index: 1000;
}
.whatsapp-button img {
    width: 35px;
    height: 35px;
    border-radius: 35%;
    box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.3);
}
.whatsapp-button img:hover {
    transform: scale(1.1);
    transition: transform 0.3s;
}