Just fork the repo and adjust the _config.yml to use with Github Pages and your page is done.

• supports dark mode on macOS Mojave
• MathJax support
• no external ressources
• included archive page
• supports pagination
• feed generation
• responsive
• syntax highlighting
• supports comments via disqus or isso

• Minima
• Lagrange
• Font Awesome
• KaTeX
• Pygments

You can use this theme with the jekyll-remote-theme plugin. Just create an empty repo, add index.html and archive.html files (they can be empty but need to contain front matter) and add this to your _config.yml:

remote_theme: niklasbuschmann/contrast

plugins:
  - jekyll-remote-theme

public domain