Applies: QuarkXPress, Digital Publishing

OS: Mac, Windows

Follow the below steps:

1. Export your digital project as HTML5 publication in QuarkXPress.

2. Navigate to css/ui-config.css in the exported HTML5 package.

3. Here, you may change the color Hex code in --app-background attribute as per your requirement and save the changes.

4. Clear the caches and cookies of the browser.

5. Now, open the HTML5 publication in the browser and background color will be changed.