What is it? csscss will parse any CSS files you give it and let you know which rulesets have duplicated declarations. What is it for? One of the best strategies for me to maintain CSS is to reduce duplication as much as possible. It’s not a silver bullet, but it sure helps. To do that, you need to have all the rulesets in your head at all times. That’s hard, csscss is easy. Let it tell you what is