SASS
This project is using Sass to generate its CSS. Sass is a CSS preprocessor that allows for faster development of CSS. For more information about sass:
Install SASS
To use sass, make sure that you have RubyGems install, then you can use Bundler:
$ gem install bundler
$ bundle install
This should ensure that you have all the dependencies required for compiling.
Compiling
The dev server will automatically compile sass files that have changed. Simply start the server using:
$ rake runserver