> For the complete documentation index, see [llms.txt](https://modutheme.gitbook.io/helix/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://modutheme.gitbook.io/helix/header-group.md).

# Header group

- [Announcement bar](https://modutheme.gitbook.io/helix/header-group/announcement-bar.md)
- [Header](https://modutheme.gitbook.io/helix/header-group/header.md)
- [Header Structure](https://modutheme.gitbook.io/helix/header-group/header/header-structure.md)
- [Header Styling](https://modutheme.gitbook.io/helix/header-group/header/header-styling.md)
- [Available Blocks](https://modutheme.gitbook.io/helix/header-group/header/available-blocks.md)
- [Sticky Header](https://modutheme.gitbook.io/helix/header-group/header/sticky-header.md)
- [Transparent Header](https://modutheme.gitbook.io/helix/header-group/header/transparent-header.md)
- [Mega menu](https://modutheme.gitbook.io/helix/header-group/header/mega-menu.md)
- [Mobile header](https://modutheme.gitbook.io/helix/header-group/mobile-header.md)
- [Header Structure](https://modutheme.gitbook.io/helix/header-group/mobile-header/header-structure.md)
- [Header Styling](https://modutheme.gitbook.io/helix/header-group/mobile-header/header-styling.md)
- [Available Blocks](https://modutheme.gitbook.io/helix/header-group/mobile-header/available-blocks.md)
- [Sticky Header](https://modutheme.gitbook.io/helix/header-group/mobile-header/sticky-header.md)
- [Transparent Header](https://modutheme.gitbook.io/helix/header-group/mobile-header/transparent-header.md)
- [Mobile menu](https://modutheme.gitbook.io/helix/header-group/mobile-menu.md)
- [Menu Structure](https://modutheme.gitbook.io/helix/header-group/mobile-menu/menu-structure.md)
- [Available Blocks](https://modutheme.gitbook.io/helix/header-group/mobile-menu/available-blocks.md)
- [Menu Block](https://modutheme.gitbook.io/helix/header-group/mobile-menu/menu.md)