.whatsapp-cart-btn {
    background-color: #25D366 !important;
    color: #fff !important;
    text-align: center;
    width: 100%;
    margin-top: 15px;
    padding: 10px 0;
    font-weight: bold;
    border-radius: 5px;
    text-decoration: none;
    display: block;
    cursor: pointer;
}
.whatsapp-cart-btn:hover {
    background-color: #128C7E !important;
    color: #fff !important;
}
.whatsapp-cart-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
}