This project is used to demonstrate the features of HTML5 and CSS3. It contains as various examples and range over various topics. All the examples could be found at MDN. This project is made as a part of my GSoC (Google Summer Of Code) 2012 under Mozilla.
This project contains examples including HTML5 and CSS3. No installations is required as such but it does require a modern browser. You can just clone the project and run it in your browser.