Ryan Boudreaux includes all the code snippets you'll need in this demo of how to create an image hover-preview effect using HTML, CSS, and JavaScript.

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).

If you’ve been building websites for a while, chances are you have some boilerplate code you use to jump-start a new site — perhaps some CSS resets, a basic HTML structure, and so on. You ...