Shows Web developers how to make the transition from HTML to XHTML, an XML-based reformulation of HTML that offers greater design flexibility Demonstrates how to work with CSS (Cascading Style Sheets)-now supported by ninety percent of browsers and integral to new site-building tools from Macromedia and others-and implement a consistent style throughout and entire site Explains how to make a site accessible to people with impaired vision, limited hand use, dyslexia, and other issues-now a legal requirement for many sites in the U.S. and the U.K.