> For the complete documentation index, see [llms.txt](https://help.pickzen.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.pickzen.com/developers/developers-panel/css-customization.md).

# CSS customization

Adding custom CSS to your pickzens is deliberately forbidden to avoid maintenance issues because changes on our end might make your custom CSS stop working.

Alternatively, you can use our [Design System](/design-system.md) to edit the CSS and the layout of your pickzens.