* In addition to the userstyles.org site, styles with customizable parameters can also be installed from .user.css or .user.styl URLs (see [Usercss format wiki](https://github.com/openstyles/stylus/wiki/Usercss)).
* Site styles can be discovered and previewed in the popup using inline search with screenshot thumbnails.
* A backup feature which is compatible with other userstyles managers.
* Configurable automatic update function for installed styles.
* Customizable UI, optional layouts, and tweaks.
* Two different optional code validators with user-configurable rules: CSSLint and Stylelint.
* Both validators use Web Worker API to run in a separate background thread inside the editor tab without blocking your interaction with the code.
* CSSLint is heavily modified compared to the effectively frozen original one and supports various CSS3 features as well as CSS4 Color and CSS Grid syntax.
See the [help docs](http://userstyles.org/help/stylish_chrome) or [ask in userstyles.org forum](https://forum.userstyles.org). For Stylus specific questions and suggestions please use [review section](http://add0n.com/stylus.html#reviews) of the FAQs page.
You can help us translate the extension on [Transifex](https://www.transifex.com/github-7/Stylus). When `messages.json` file is ready to be merged, please open a new bug report in [stylus/issues](https://github.com/openstyles/stylus/issues).
See our [contributing](./.github/CONTRIBUTING.md) page for more details.
For copyright status of the "codemirror" directory, see [codemirror/LICENSE](https://github.com/openstyles/stylus/blob/master/src/vendor/codemirror/LICENSE). Everything else is:
