The page to which you refer is non-standard:
URL:http://validator.w3.org/ reports 34 HTML 4.01 errors.
URL:http://jigsaw.w3.org/css-validator/ reports 2 style-sheet
errors.

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David E. Ross
URL:http://www.rossde.com/

I use Mozilla as my Web browser because I want a browser that
complies with Web standards. See URL:http://www.mozilla.org/.