I\'m using normalize.css, and I saw that it doesn\'t reset margins or padding for the element. Since I assume they\'ve done their research I was wo
The tag does not have any CSS rules automatically applied to it. You can apply styles if you like, but the only time I've ever done it is to get 100% height and width.
Default styling for each browser:
http://mxr.mozilla.org/mozilla-central/source/layout/style/html.css
http://trac.webkit.org/browser/trunk/Source/WebCore/css/html.css
http://www.iecss.com/