.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    z-index: 99999;
    transition: transform 0.2s ease;
}
.whatsapp-button img {
    width: 35px;
}
.whatsapp-button:hover {
    transform: scale(1.12);
}