Don't use a doctype declaration that throws browsers into quirks mode.
It looks like you've tried to insert a complete HTML document inside another complete HTML document. You can't do that. The final HTML document sent to the browser must have a single
head element and a single
body element.
The online tools report markup and CSS errors:
http://validator.w3.org/check?uri=http%3A%...nal&group=0http://jigsaw.w3.org/css-validator/validat...g=1&lang=enDon't use pt for font sizes on the web. Rather, use 100% for body text, larger percentages for headings and the like, and (slightly) smaller percentages for legalese and similar fine print.