Handy CSS Cleanup Tool

Inevitably, when finishing development of a front-end, I find myself going through the painstaking process of cleaning up extraneous CSS styles. This style was for debugging, this block was for a page that got nixed, this piece I used when conceptualizing the site another way: I don't think it's possible to develop a website without removing some styles at the end. Dreading another round of CSS cleanup, I considered programming a tool to spider a site and tell me which parts of the stylesheets were used. It seemed a daunting task so I checked online, and sure enough, someone had already developed it, and far better than I could have. The tool I found, Dust-Me Selectors, is a Firefox extension that makes cleaning up CSS a snap. It can spider an entire site or a group of pages to determine which CSS blocks are unused in the stylesheets those documents call.