CSS3

How to Create An Elegant Website With HTML5 and CSS3
HTML 5 borns to improve interoperability and to reduce development costs for websites and web applications. It is not a W3C recommendation yet, and for this reason you have to read information contained in the article like a simple overview on how we might work with new technologies in the (next) future.

How to Make a View Source Button Using CSS3 and jQuery for Demo Pages
Chris Coyier show us from his tutorial ‘How to Make a View Source Button Using CSS3 and jQuery for Demo Pages’. Click it, and you see the entire source code for the page you are looking at. It’s not a popup or a new tab, it just shows the source right there on the page.