viridi

That goes for most of design books/resources but what makes this book a good one is that it is focused on how to improve the layout of web sites/applications in a practical way. But as always we mis the part how to implement it in html/css. Most html/css resources are about websites and not about webapplications unfortunately.

Perhaps Category Theory for Programmers?

https://bartoszmilewski.com/2014/10/28/category-theory-for-p...

There is also a playlist on Youtube

https://www.youtube.com/watch?v=I8LbkfSSR58&list=PLbgaMIhjbm...