How can I customize the exit modal's design?

There are two levels of customization:

**Custom CSS**

You can customize the modal just purely using CSS. Here's an example of the standard exit modal compared to a version of it customized using CSS:

**Custom HTML / CSS**

If you would like to fully customize the HTML in addition to the CSS, you can do so by dropping the HTML in the Magento admin using the *Additional HTML* field:

Use the following HTML as a template ( click here for the source). It's important that all of the `id` and `class` attributes stay the same with your custom markup in order for success / error message states to function properly.