CSS VERSIONS At the time of writing, there
CSS VERSIONS At the time of writing, there are two CSS recommendations: CSS1 and CSS2. The CSS2.1 specification is in working-draft stage. The revision adds requested features and corrects errors in the CSS2 specification. CSS3, also under development, provides a modularized approach to CSS; each of the modules are at various stages of development. The CSS1 features are mostly supported by IE 6, Netscape 6+, and Opera 6+ on Windows, and by IE 5+, Netscape 6+, and Opera 5+ on Macintosh. Support for CSS2 is patchier, as you ll see throughout this chapter, despite being made a World Wide Web Consortium (W3C) recommendation in May 1998. Styling XHTML Documents with CSS As you saw in Chapter 3, XHTML is the reformulation of HTML using XML syntax. XHTML version 1.1 is modular, meaning that web-enabled devices can choose to support modules of XHTML, such as the tables or forms module. This makes it easier to create sites for new devices, such as phones and Internet-enabled refrigerators. I covered how to construct XHTML in Chapter 3. I ll start this chapter by constructing a CSS stylesheet. Figure 5-1 shows the page that you ll create. Figure 5-1. The XHTML page that you ll create CHAPTER 5 DISPLAYING XML USING CSS 124
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