Inspired by Mark Otto's tour of GitHub's CSS and Ian Feather's tour of Lonely Planet's CSS, I thought I would join the party and talk about how we do CSS at CodePen. Overview [1] We use SCSS. [2] We use Autoprefixer. [3] We use the Rails Asset Pipeline. [4] The SCSS file that represents the CSS file that actually gets loaded is just a table of contents. [5] We have a style, but mostly just because