> For the complete documentation index, see [llms.txt](https://docs.chamilo.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.chamilo.org/developer-guide/developer-guide/theming.md).

# Theming

Chamilo 3.0 supports visual customization through color themes, CSS/Tailwind, and Twig templates.

* [**Color Themes**](/developer-guide/developer-guide/theming/color-themes.md) — The color theme system
* [**CSS and Tailwind**](/developer-guide/developer-guide/theming/css-and-tailwind.md) — Styling architecture
* [**Twig Templates**](/developer-guide/developer-guide/theming/twig-templates.md) — Server-side template structure