.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    text-decoration: none;
    transition: background-color 0.3s ease;
}

    .whatsapp-button:hover {
        background-color: #1ebe5d;
        color: white;
    }

    .whatsapp-button i {
        font-size: 28px;
    }

    .whatsapp-button img {
        width: 46px;
        height: 46px;
    }