Sunflash is a CSS library of utilities and helper classes that every website uses
$ git clone https://github.com/herereadthis/sunflash.git
$ cd sunflash/
$ npm install
$ grunt
$ bower install --save sunflash
$ cd my_repo
$ git submodule add https://github.com/herereadthis/sunflash.git
$ git add sunflash .gitmodules
$ git commit -m "adds Sunflash submodule"
@import "/PATH_TO/../sunflash/src/less/sunflash.less";