> For the complete documentation index, see [llms.txt](https://docs.toomuchmedia.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.toomuchmedia.com/api/api-endpoints/skin.md).

# skin

Controls the visual presentation layer. Endpoints allow for the management of different UI themes or 'skins'. They handle uploading CSS files, configuring theme color variables, assigning specific skins to specific sites or user groups, and enabling A/B testing of different frontend layouts.