HTML5 and CSS3 will let Web developers do more with their sites. Here's what you need to know about these new technologies.

We talked CSS3 (the next iteration of Cascading Style Sheets), HTML5 (the next iteration of the HTML language) and the role of Opera Software as a company in both.

A year and a half after Steve Jobs endorsed it in an unusual essay, a set of programming techniques called HTML5 is rapidly winning over the Web. The technology allows Internet browsers to display ...

A new website helps web developers decipher the often confusing world of HTML5 and CSS 3. Which elements are ready to use? Which are still not widely supported? And where can you find polyfills ...

A Ukrainian Web developer creates an iPhone 4 using just CSS3 and HTML 5, making us ask, Who needs Flash?