Parse CSS and add vendor prefixes to rules by Can I Use

Transforming styles with JS plugins

PostCSS loader for webpack

PostCSS plugin to inline @import rules content

PostCSS plugin to rebase url(), inline or copy asset.

CLI for postcss

PostCSS plugin to unwrap nested rules like how Sass does it.

Pipe CSS through PostCSS processors with a single parse

SCSS parser for PostCSS.

Indent-based CSS syntax for PostCSS