.wc_payment_method.payment_method_garantibbva img {
    width: 120px; 
    height: auto;
}

.woocommerce-checkout-payment#payment {
    background-color: #f5f5f5; 
    border: 1px solid #e0e0e0; 
    border-radius: 4px;
    padding: 15px;
}

.woocommerce-checkout-payment#payment div.payment_box {
    background-color: #ffffff; 
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 15px;
}