See the documentation for more details:
https://mkdocs.github.io/mkdocs-bootswatch/

These themes all inherit from the mkdocs theme which ships with MkDocs. These
themes primarily contain CSS which replaces/overrides the CSS in the mkdocs
theme. All other improvements should be made to the mkdocs theme in the
project hosted at https://github.com/mkdocs/mkdocs.
- Update to support MkDocs version 1.1.
- Update to support Bootstrap 4.
- Remove the amelia and readable themes, which were dropped by Bootswatch.
- Add Bootswatch's new themes: darkly, litera, lumen, lux, materia,
minty, pulse, sandstone, solar, and superhero.
- Port changes from the parent mkdocs theme:
- Fix padding/background color issues with hljs code blocks.
- Inherit from the mkdocs theme and get all the parent theme's features.
- Update to support MkDocs version 1.0.
- Fix padding of code blocks
- Generate all themes from one common base.
- Update templates for MkDocs v0.17.
- Update per-theme CSS to match MkDocs.
- Update to FontAwesome 4.5.0.
- Improve code highlighting colors for all themes.
- Support admonitions.
- Some styling tweaks.
- Add support for permalinks.
- Support inverse nav headers.
Version 0.3.1 (2016/02/24)
- Add support for sub-level nav.
- Add search modal to all themes.
- Automate releases.