While working on a design recently, I stumbled upon Chris Coyier’s article How nth-child Works. Chris shows us the basics of the nth-child pseudo-selector in CSS. It can be used for so many things, but in this short tutorial I’m going to show you how to create a cool messy list. First, check out the demo to see what we’re creating in the demo. We’re going to start with an HTML5 document (why not?