Since the location of the Bulma Sass Styleguide moved inside of the github folder.
* Pull the latest `master` branch
* Run `npm install` to install all Bulma dependencies
-* Make sure your Sass code is compliant with the [Bulma Sass styleguide](https://github.com/jgthms/bulma/blob/master/CONTRIBUTING.md#bulma-sass-styleguide)
+* Make sure your Sass code is compliant with the [Bulma Sass styleguide](https://github.com/jgthms/bulma/blob/master/.github/CONTRIBUTING.md#bulma-sass-styleguide)
* If your PR fixes an issue, reference that issue
* If your PR has lots of commits, **rebase** first
* Run `npm run build` and `npm run docs` before submitting your PR