Giant UI frameworks are nice, but sometimes you just need to start somewhere without all the bloat. These themes are lightweight and pretty, so a good place to start for any static website.
See various themes at https://www.cssbed.com
Make sure to run rebuild.py to generate all the html files before sending a pull request.
See this blog post: https://blog.usejournal.com/the-next-css-frontier-classless-5e66f3f25fdd