PostCSS is a markup language recognized by GitHub Linguist and used with .pcss, .postcss.
Quick facts
What is PostCSS
PostCSS is a markup language recognized by GitHub Linguist and used with .pcss, .postcss.
GitHub Linguist classifies PostCSS as a markup language, typically using extensions such as .pcss, .postcss.
File extensions:
Frequently asked questions
PostCSS is a markup language recognized by GitHub Linguist and used with .pcss, .postcss.
Common extensions include .pcss, .postcss.
Sources & standards
Updated 2026-08-18