https://alex-courtis.github.io/base16-site/ preserves https://chriskempson.com/projects/base16/
wayback_machine_downloader -t 20220811165445 'https://chriskempson.com/projects/base16/'git@github.com:chriskempson/base16-html-previews.git
git@github.com:chriskempson/base16-language-examples.git
git@github.com:chriskempson/base16-viewer.git