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

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 ...

Pure CSS3 AT-AT: This is a simple example of animation created by Anothony Calzadilla without a single line of programing code (no JavaScript, ActionScript, Java, Objective C or whatever).

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 ...