Zoron Jambor has been doing excellent CSS videos over on YouTube. Like:
• 7 Practical CSS Typography Tips & Tricks https://www.youtube.com/watch?v=d1QOiBRID2E
• Stop Rewriting Your CSS! Use :not() Instead https://www.youtube.com/watch?v=WnUNMcy-YTs

https://twitter.com/CodePen/status/1666219419033370626