https://github.com/darcyclarke/dss
https://github.com/darcyclarke/grunt-dss
https://github.com/kneath/kss
http://kaleistyleguide.com/
http://jacobrask.github.io/styledocco/
http://24ways.org/2011/front-end-style-guides/
https://github.com/necolas/idiomatic-css
https://github.com/ginatrapani/ThinkUp/wiki/Code-Style-Guide:-CSS
https://github.com/styleguide/css
https://github.com/MoOx/moox.github.io/blob/e46b400583db22674ca6e658a54597f2ce821fd2/src/blog/_drafts/CSS-refactorisation.html.hbs
