HTML, XHTML, and CSS are essential tools for creating dynamic Web sites. This friendly, all-in-one guide covers what programmers need to know about each of the technologies and how to use them together. Like the bestselling first edition, HTML, XHTML, and CSS All-in-One For Dummies, 2nd Edition makes it easy to grasp the fundamentals and start building effective Web pages. With new information about Web and Ajax, it's the perfect reference as well.