.whatsapp-button {
    display: inline-block;
    background-color: #25D366;
    color: #fff;
    padding: 14px 26px;
    font-weight: bold;
    border-radius: 50px;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.3s ease;
}
.whatsapp-button:hover {
    background-color: #1ebe5d;
}