# Customize Cart Verification Script Styles

If the default Cart Verification Script message doesn't match your store's look, you can customize it with CSS.

## CSS Selectors

Use these selectors to style the verification message:

* `sesami-warning-list` — the container for all warning messages
* `sesami-warning-item` — each individual warning message

## Examples

### White background with max width

```css
sesami-warning-list {
    background: #FFF;
    max-width: 400px;
}
```

### Dark theme (black background, white text)

```css
sesami-warning-list {
    background: #000;
    color: #FFF;
    max-width: 400px;
}

sesami-warning-item {
    color: #FFF;
}
```

## Where to add the CSS

Add your custom CSS to your Shopify theme:

1. Go to **Shopify Admin > Online Store > Themes > Customize**
2. Open **Theme Settings** (gear icon)
3. Find the **Custom CSS** section (or add a custom CSS block)
4. Paste your styles and save

## Need help?

If you're not comfortable editing CSS, contact us at <help@sesami.co> with your desired style (described or as a design file) and our team will do it for you at no additional cost (paid plans only).

## Related

* [Cart Verification Script](/apps-integrations/shopify/online-store/cart-verification-script.md) — how the script works and how to enable it


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