# Themes

A theme is a Starlight plugin that changes the visual appearance of a site with [custom CSS](/guides/guides-css-and-tailwind), [component overrides](/guides/guides-overriding-components), or other new features.

## Community Themes

Install a theme built by the community to quickly customize the look and feel of your site.

Preview a list of all themes below or try them out interactively on the [Starlight Themes demo site](https://starlight-themes.netlify.app/).

:::callout{intent="tip" title="Add your own!"}
Have you built a Starlight theme?
[Open a PR](https://github.com/withastro/starlight/blob/main/CONTRIBUTING.md#themes) adding your theme to this page!
:::

## Related pages

- [Starlight](../index.md)
- [Using Components](./components-using-components.md)
- [Pages](./guides-pages.md)
- [Not found](./more-404.md)
- [Configuration Reference](./reference-configuration.md)
- [Plugins and Integrations](./resources-plugins.md)
- [Start Here](./start-here-index.md)
- [Getting Started](./start-here-getting-started.md)
- [Cards](./components-cards.md)
- [Guides](./guides-index.md)

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