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+# Contributing
+
+## Important notes
+Please don't edit files in the `dist` subdirectory as they are generated via Grunt. You'll find source code in the `src` subdirectory!
+
+### Code style
+The project's coding style is laid out in the JSHint, ESLint, and JSCS configurations.
+
+### Nodeunit
+Grunt can run the included [Nodeunit-based](https://github.com/caolan/nodeunit) unit tests for the CSS postprocessor via `grunt test`.
+
+## Modifying the CSS postprocessor code
+First, ensure that you have the latest [Node.js](http://nodejs.org/) and [npm](http://npmjs.org/) installed.
+
+Test that Grunt's CLI is installed by running `grunt --version`.  If the command isn't found, run `npm install -g grunt-cli`.  For more information about installing Grunt, see the [getting started with Grunt guide](http://gruntjs.com/getting-started).
+
+1. Fork and clone the repo.
+2. Run `npm install` to install all build dependencies (including Grunt).
+3. Run `grunt` to grunt this project.
+
+Assuming that you don't see any red, you're ready to go. Just be sure to run `grunt` after making any changes, to ensure that nothing is broken.
+
+## Submitting pull requests
+
+1. Create a new branch, please don't work in your `master` branch directly.
+2. If you're modifying the CSS postprocessor, add failing tests for the change you want to make. Run `grunt` to see the tests fail.
+3. Fix stuff.
+4. Run `grunt` to see if the tests pass. Repeat steps 2-4 until done.
+5. Update the documentation to reflect any changes.
+6. Push to your fork and submit a pull request.
+
+## Licensing
+By contributing your code, you agree to license your contribution under [the MIT License](https://github.com/cvrebert/mq4-hover-hover-shim/blob/master/LICENSE.txt).