> For the complete documentation index, see [llms.txt](https://lorvent.gitbook.io/clear/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://lorvent.gitbook.io/clear/start-new-page/boxed-and-fixed-header.md).
# Boxed and Fixed Header
It has the following design:
It has the following Structure:
```
...
...
...
```