https://github.com/MoOx/Path-Menu/blob/gh-pages/sass/menu.scss#L46
http://sass-lang.com/
http://lesscss.org/
http://learnboost.github.io/stylus/
http://sass-lang.com/documentation/Sass/Script/Functions.html
https://github.com/MoOx/compass-recipes/blob/master/stylesheets/recipes/background/_gradients.scss
https://github.com/MoOx/compass-recipes/blob/master/stylesheets/recipes/ui/_tooltip.scss
https://github.com/MoOx/compass-recipes/blob/master/templates/icon-fonts/README.md
https://gist.github.com/MoOx/2793699
https://github.com/MoOx/compass-recipes
https://x.com/MoOx