18 GitHub Repositories to Become a CSS Master

A while ago I wrote an article about the repositories you need to master JavaScript. It got some great feedback, so I decided to make a sequel about CSS as well.

I have further sorted all the resources into categories from learning the basics to style guides, best practices, useful tricks, and tricks as well as additional resources you can study to broaden your CSS knowledge even more.

Learning Resources

1. Awesome-css-learning

GitHub stars: 1k+

A list of the best CSS learning resources.

2. CSS-reference

GitHub stars: 4k+

CSS Reference: a free visual guide to the most popular CSS properties.

Available as cssreference.io.

3. Magic-of-css

GitHub stars: 5k+

A CSS course to turn you into a magician.

Style Guides and Best Practices

4. CSS-architecture

GitHub stars: 2k+

8 simple rules for a robust, scalable CSS architecture.

5. Bevacqua-css

GitHub stars: 800+

CSS: The Good Parts.

6. CSS-style-guide

GitHub stars: 700+

Dropboxs CSS authoring style guide.

7. Airbnb-css

GitHub stars: 6k+

A mostly reasonable approach to CSS and Sass.

Flexbox and Grid

8. Flex-cheatsheet

GitHub stars: 900+

Flexbox cheat sheet with visual examples.

9. Flexbox30

GitHub stars: 1k+

Learn Flexbox in 30 days with 30 code tidbits.

10. Awesome-css-grid

GitHub stars: 200+

A curated list of CSS Grid Resources.

11. Gridgarden

GitHub stars: 2k+

An interactive game for learning CSS grid layout.

Useful Tips and Tricks

12. You-need-to-know-css

GitHub stars: 4k+

CSS tricks for web developers

13. CSS-protips

GitHub stars: 21k+

A collection of tips to help take your CSS skills pro

14. 30-seconds-of-css

GitHub stars: 15k+

Short CSS code snippets for all your development needs.

15. You-dont-need-javascript

GitHub stars: 17k+

CSS is powerful, you can do a lot of things without JS.

Additional Resources

16. Awesome-css-frameworks

GitHub stars: 4k+

List of awesome CSS frameworks in 2022.

17. Must-watch-css

GitHub stars: 4k+

A useful list of must-watch talks about CSS.

18. Scalable-css-reading-list

GitHub stars: 1k+

Collected dispatches from The Quest for Scalable CSS.

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