Design made using the concept of Web 2.0, is all about functionality and making a website user-oriented. That is why it is common to use a so-called “Central Design,” making it simple to see and understand the content. Enhanced navigation which is always available to the visitor, leaves no doubt about where to find anything on a Web 2.0 website.
Web documents in HTML, SHTML and XHTML, and the css used were checked by the markup validator on http://validator.w3.org/.