Product Type: A classless CSS framework built for speed.
Mercury CSS is a tiny classless stylesheet built for SPEED. It hooks directly into HTML elements adding minimal modern styling focused on good typography, fast load times, and responsive design.
The Mercury CSS stylesheet is 4kb unminifed.
Mercury CSS is a good place to start and build upon for most modern web development. And it's a pretty good place to stop if you care primarily about legibility and speed.