... purchase PDF Split-Merge on www.verypdf.com to remove this watermark.557386 Ch07.qxd 4/2/04 9:54 AM Page 152Ł152 Creating Cool Web Sites with HTML, XHTML, and CSS This isn’t exactly XHTML, ... purchase PDF Split-Merge on www.verypdf.com to remove this watermark.557386 Ch07.qxd 4/2/04 9:54 AM Page 130Ł130 Creating Cool Web Sites with HTML, XHTML, and CSS Figure 7-5: Top, middle, and ... 128Ł128 Creating Cool Web Sites with HTML, XHTML, and CSS To understand why the alt= element is necessary, see Figure 7-4. For this example, I removed the alt tag included in the HTML and renamed...