> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt.

# Customization

## Docs

- [Announcement banner](https://buildwithfern.com/learn/docs/customization/announcement-banner.md): Prominently highlight new features, updates, or important information
- [Embedded mode](https://buildwithfern.com/learn/docs/customization/embedded-mode.md): Hide the header and footer when embedding docs in iframes or dashboards
- [Hiding content in your site](https://buildwithfern.com/learn/docs/customization/hiding-content.md): Control visibility of pages, sections, tabs, tab variants, versions, and API endpoints by hiding them from your sidebar and search results.
- [Search configuration](https://buildwithfern.com/learn/docs/customization/search.md): Configure search for your Fern docs using Algolia DocSearch. Learn how search filters work, how results are ranked, and how to integrate with Algolia.
- [Collecting feedback and suggestions from users](https://buildwithfern.com/learn/docs/user-feedback.md): Collect on-page feedback and enable edit suggestions from users in your Fern docs via GitHub or Fern Editor.
- [Fully customize your docs](https://buildwithfern.com/learn/docs/customization/custom-css-js.md): Learn how to add custom CSS, JavaScript, and UI components to your Fern documentation. Style your docs with custom classes and scripts.
- [CSS selectors reference](https://buildwithfern.com/learn/docs/customization/css-selectors-reference.md): Reference guide for all CSS selectors available in Fern docs. Customize layouts, navigation, buttons, forms, accordions, badges, API components, and more.
- [Header and footer](https://buildwithfern.com/learn/docs/customization/header-and-footer.md): Replace Fern's default header or footer with your own server-rendered React components for better SEO and performance.
- [Global themes](https://buildwithfern.com/learn/docs/customization/global-themes.md): Learn how to use global themes to define branding in one repository and apply it automatically across child documentation sites.