This book assumes you've already got some knowledge of HTML (and perhaps some CSS experience as well); you've built a site or two (or at least a page or two) and have some familiarity with the sea of tags—<html>, <p>, <h1>, <table>, and so on—that make up the Hypertext Markup Language. CSS doesn't do anything without HTML, so to move forward you need to know how to create a Web page using basic HTML.
If you have used HTML to create Web pages, but feel like your knowledge is a bit rusty, the next section provides a basic refresher.
Note
If you're just getting your feet wet learning HTML, then check out these free online tutorials: HTML Dog (http://www.htmldog.com/guides/htmlbeginner/) and W3Schools (http://www.w3schools.com/html/). If you're a printed page fan, then you may want to pick up a copy of Creating Web Sites: The Missing Manual, or Head First HTML with CSS & XHTML (O'Reilly).
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