https://github.com/csstools/postcss-plugins

PostCSS Tools and Plugins
https://github.com/csstools/postcss-plugins

css postcss

Last synced: about 11 hours ago
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PostCSS Tools and Plugins

• Host: GitHub
• URL: https://github.com/csstools/postcss-plugins
• Owner: csstools
• License: mit-0
• Created: 2019-11-02T17:54:16.000Z (about 5 years ago)
• Default Branch: main
• Last Pushed: 2025-01-14T14:42:54.000Z (7 days ago)
• Last Synced: 2025-01-16T15:11:23.178Z (5 days ago)
• Topics: css, postcss
• Language: CSS
• Homepage: https://preset-env.cssdb.org/
• Size: 22.9 MB
• Stars: 926
• Watchers: 12
• Forks: 72
• Open Issues: 7
• Metadata Files:
  • Readme: README.md
  • Contributing: CONTRIBUTING.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE.md
  • Code of conduct: CODE_OF_CONDUCT.md

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README

        
# PostCSS Plugins [][postcss]

[][ci-url]

[][discord]

We are happy you're here!

This repository contains plugins, plugin-packs, utilities, CLI tools, ... to help you do more with CSS.

## PostCSS Preset Env

Read more about [PostCSS Preset Env](https://github.com/csstools/postcss-plugins/tree/main/plugin-packs/postcss-preset-env#readme) or jump right in :

- Install `postcss-preset-env` from npm.

- Add `postcss-preset-env` to your configuration:

```js

const postcssPresetEnv = require('postcss-preset-env');

const yourConfig = {

	plugins: [

		/* other plugins */

		/* remove autoprefixer if you had it here, it's part of postcss-preset-env */

		postcssPresetEnv({

			/* pluginOptions */

			features: {},

		})

	]

}

```

## Overview

- [packages](https://github.com/csstools/postcss-plugins/tree/main/packages)

	- css tokenizers and parsers

	- common utilities

- [PostCSS plugins](https://github.com/csstools/postcss-plugins/tree/main/plugins)

- [PostCSS Preset Env](https://github.com/csstools/postcss-plugins/tree/main/plugin-packs/postcss-preset-env)

- [Stylelint plugins](https://github.com/csstools/postcss-plugins/tree/main/plugins-stylelint)

- [cli's](https://github.com/csstools/postcss-plugins/tree/main/cli)

- [sites](https://github.com/csstools/postcss-plugins/tree/main/sites)

- [PostCSS recipes](https://github.com/csstools/postcss-plugins/tree/main/postcss-recipes)

## Our current focus

### Standard CSS transforms

We're trying to bring every reasonable CSS Spec into all the browsers. 

First we keep track of new features through the [CSSDB] (see the [repo][CSSDB Repo]). Then we do our best to create a [PostCSS] plugin that can convert that new syntax/function/rules so every browser can understand it. 

While it's not always possible we're enabling over 50 features with these plugins!

### Developer experience

We want it to be easier for you to be effective at writing CSS.  

From time to time we will publish plugins that aren't related to a standard CSS spec but that we think will help developers.

## Contributing

Thanks for being willing to contribute! Please read our [contributing guide]!

## Acknowledgements

We could not do this work without the contributions of the community.  

We appreciate all of you!

We want to thank:

- everyone who submits bug reports and feature requests

- everyone who [contributes code](https://github.com/csstools/postcss-plugins/graphs/contributors)

- everyone who contributes financially:

  - [Open Collective](https://opencollective.com/csstools)

  - [GitHub Sponsors](https://github.com/sponsors/csstools)

  - [Thanks.dev](https://thanks.dev)

  - [Stackaid](https://www.stackaid.us)

We also want to thank these organizations and people for making their tools available to Open Source maintainers:

- [OrbStack](https://orbstack.dev)

- [GitHub Copilot](https://github.com/features/copilot)

[ci-url]: https://github.com/csstools/postcss-plugins/actions/workflows/test.yml?query=workflow/test

[discord]: https://discord.gg/bUadyRwkJS

[PostCSS]: https://github.com/postcss/postcss

[contributing guide]: https://github.com/csstools/postcss-plugins/blob/main/CONTRIBUTING.md

[CSSDB]: https://cssdb.org/

[CSSDB Repo]: https://github.com/csstools/cssdb