.woocommerce-order-details__additional-info {
    margin-top: 20px;
    padding: 10px;
    background-color: #f9f9f9;
    border: 1px solid #e5e5e5;
    border-radius: 3px;
}

.woocommerce-order-details__additional-info h2 {
    margin: 0 0 10px;
    font-size: 16px;
    font-weight: 600;
}

.woocommerce-order-details__additional-info-value {
    margin: 0;
    font-size: 14px;
    color: #333;
}