No, sorry. I don’t know that much, so I’d have to dig around and do research.
Here are some links that should help. Some of the information about specific classes will be out of date because Obsidian has recently changed its default theme, but there should be info about the basic approach to take.
https://forum.obsidian.md/t/getting-comfortable-with-obsidian-css
https://forum.obsidian.md/t/meta-post-common-css-hacks
Recent changes to Obsidian’s CSS:
https://forum.obsidian.md/t/1-0-theme-migration-guide/42537
CSS in general: