Pears - Common Patterns of Markup & Style
Pears is a great idea from the Simplebits and Dribbble mastermind Dan Cedarholm - Create common UI patterns with the HTML and corresponding CSS for basic styling for a quick reference too. I think we all do this to an extent with snippets in our code editors, but this goes a bit further “pearing” them together (see what I did there?).
Even more interesting, it's also an open source Wordpress theme so you can use the framework to make your own pears.