basics

scale and measure

css visual harmony

typographic measure

properties

css display

css box-sizing

css font-display

css line-height

common layout patterns

css stack

css box

css center

css cluster

css switcher

css waterfall

interesting libraries / projects

https://piccalil.li/blog/some-simple-ways-to-make-content-look-good/

A really helpful article that covers a lot of basic modern css concepts.

https://book.mixu.net/css/

Seems like a nice CSS tutorial.

https://thomasorus.com/css-methodologies.html

An overview of how to write css well.

https://picocss.com/

Light weight, semantic, css framework for when you need to make a "modern" corporate looking site.

https://owickstrom.github.io/the-monospace-web/

A method for using monospace fonts and alignment that still works on mobile!

https://cssstats.com/

Shows some useful statistics about your website's css.

https://www.csszengarden.com/

Demonstration of how simple correct html can be styled in vastly different manners.

https://labs.jensimmons.com/

A pretty innovative web designer.

https://medienbaecker.com/articles/focus-outlines

How to do focus outlines nicely.

https://heydonworks.com/article/the-article-element/

Details about the element.