Test your PostCSS knowledge with a free interactive quiz — 20 questions with answers and explanations. No signup needed to play.
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How is Tailwind CSS related to PostCSS?
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How is Tailwind CSS related to PostCSS?
Why might a team building a component library or design system specifically choose PostCSS with a custom plugin combination over a single fixed preprocessor?
What is the general benefit of PostCSS's plugin architecture for a project's CSS build pipeline, compared to being locked into a single monolithic preprocessor's fixed feature set?
What does `postcss-preset-env` do?
What is `postcss-import` used for?
What does it mean that PostCSS parses CSS into an "Abstract Syntax Tree" (AST) as part of its processing pipeline?
Why might a project use PostCSS alongside Sass, rather than choosing only one or the other?
What does `postcss-custom-properties` (or similar plugins targeting CSS custom properties / variables) do?
What is `postcss-nested` used for?
What is the difference between PostCSS and a CSS preprocessor like Sass, in terms of their core design philosophy?
What is CSS Modules, and how does it sometimes relate to a PostCSS-based build pipeline?
Why does plugin ORDER matter in a `postcss.config.js` plugin list?