gist-syntax-themes
Drop-in stylesheets that change the syntax highlighting color theme of GitHub Gists on your site. You can see previews here.
Usage
Find the stylesheet you like, save it, add a reference in your page. Any embedded Gists on that page will be styled accordingly.
License
Stylesheets were adapted from GitHub-Dark by StylishThemes. This project retains the same CC-BY-SA-4.0 license.