> For the complete documentation index, see [llms.txt](https://nextsky.gitbook.io/agile-theme/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nextsky.gitbook.io/agile-theme/theme-setting/custom-css.md).

# Custom CSS

To customize the theme's style via CSS without editing theme files, you'll need to have knowledge of programming languages.

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