PostCSS quiz

Test your PostCSS knowledge with a free interactive quiz — 20 questions with answers and explanations. No signup needed to play.

What is the difference between PostCSS and a CSS preprocessor like Sass, in terms of their core design philosophy?

1. What is the difference between PostCSS and a CSS preprocessor like Sass, in terms of their core design philosophy?
2. What is `postcss-import` used for?
3. What does `postcss-preset-env` do?
4. What is CSS Modules, and how does it sometimes relate to a PostCSS-based build pipeline?
5. How is Tailwind CSS related to PostCSS?
6. What does `browserslist` configuration have to do with PostCSS plugins like Autoprefixer and `postcss-preset-env`?
7. What is PostCSS?
8. What does it mean that a PostCSS plugin can both READ and WRITE to the CSS AST during its transformation pass?
9. What is the relationship between PostCSS and Autoprefixer?
10. What is `cssnano`, and what is its purpose as a PostCSS plugin?
11. Why does plugin ORDER matter in a `postcss.config.js` plugin list?
12. What is the general performance/build-time consideration when a project chains together many PostCSS plugins in a single pipeline?

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