1, website standard

Http://www.zeldman.com/

Http://webstandards.org/

Http://webstandardsgroup.org/

Http://www.nypl.org/styleguide/

2, have semantic code

Http://brainstormsandraves.com/articles/semantics/structure/

3, desired result (Validation)

Http://validator.w3.org/

Http://www.htmlhelp.com/tools/validator/

Http://webboy.net/presentation/validation.cfm

4, use a sex easily (Accessibility)

Http://www.joeclark.org/

Http://www.accessify.com/

Http://www.juicystudio.com/

5, the style expresses CSS

Http://webboy.net/presentation/ict2004/01.htm

Http://webboy.net/presentation/ict2004/02.htm

Http://webboy.net/presentation/ict2004/03.htm

Http://westciv.com/style_master/academy/css_tutorial/

Http://css.maxdesign.com.au

Http://www.thenoodleincident.com/tutorials/css/

6, example site (XHTML CSS)

Http://www.macromedia.com/

Http://www.k10k.net/

Http://www.fyrebase.com/

Http://www.onetruefit.com/

Http://pixeltable.com/

Http://www.fishmarketing.net/