# Overrides Reference You can override Starlight’s built-in components by providing paths to replacement components in Starlight’s [`components`](/guides/reference-configuration#components) configuration option. This page lists all components available to override and links to their default implementations on GitHub. Learn more in the [Guide to Overriding Components](/guides/guides-overriding-components). ## Components ### Head These components are rendered inside each page’s `` element. They should only include [elements permitted inside ``](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/head#see_also). #### `Head` **Default component:** [`Head.astro`](https://github.com/withastro/starlight/blob/main/packages/starlight/src/components/Head.astro) Component rendered inside each page’s ``. Override this component as a last resort. Prefer the [`head` config option](/guides/reference-configuration#head), the [`head` frontmatter field](/guides/reference-frontmatter#head), or a [route data middleware](/guides/guides-route-data#customizing-route-data) to customize the route data rendered by the default component if possible. #### `ThemeProvider` **Default component:** [`ThemeProvider.astro`](https://github.com/withastro/starlight/blob/main/packages/starlight/src/components/ThemeProvider.astro) Component rendered inside `` that sets up dark/light theme support. The default implementation includes an inline script and a `