# PostCSS [![Gitter][chat-img]][chat]

<img align="right" width="95" height="95"
     alt="Philosopher鈥檚 stone, logo of PostCSS"
     src="http://postcss.github.io/postcss/logo.svg">

[chat-img]: https://img.shields.io/badge/Gitter-Join_the_PostCSS_chat-brightgreen.svg
[chat]:     https://gitter.im/postcss/postcss

PostCSS is a tool for transforming styles with JS plugins.
These plugins can lint your CSS, support聽variables聽and聽mixins,
transpile聽future聽CSS聽syntax, inline聽images, and聽more.

PostCSS is used by industry leaders including Wikipedia, Twitter, Alibaba,
and JetBrains. The聽[Autoprefixer]聽PostCSS plugin聽is聽one聽of聽the聽most popular
CSS processors.

PostCSS takes a CSS file and provides an API to analyze and modify its rules
(by聽transforming聽them聽into聽an聽[Abstract聽Syntax聽Tree]).
This API can then be used by [plugins] to聽do a聽lot of聽useful聽things,
e.g.聽to聽find errors automatically insert vendor prefixes.

**Support / Discussion:** [Gitter](https://gitter.im/postcss/postcss)<br>
**Twitter account:**      [@postcss](https://twitter.com/postcss)<br>
**VK.com page:**          [postcss](https://vk.com/postcss)<br>
**涓枃缈昏瘧**:              [`README-cn.md`](./README-cn.md)

For PostCSS commercial support (consulting, improving the front-end culture
of your company, PostCSS plugins), contact聽[Evil聽Martians]
at <surrender@evilmartians.com>.

[Abstract聽Syntax聽Tree]: https://en.wikipedia.org/wiki/Abstract_syntax_tree
[Evil聽Martians]:        https://evilmartians.com/?utm_source=postcss
[Autoprefixer]:         https://github.com/postcss/autoprefixer
[plugins]:              https://github.com/postcss/postcss#plugins

<a href="https://evilmartians.com/?utm_source=postcss">
  <img src="https://evilmartians.com/badges/sponsored-by-evil-martians.svg"
       alt="Sponsored by Evil Martians" width="236" height="54">
</a>

## Docs
Read **[full docs](https://github.com/postcss/postcss#readme)** on GitHub.