Some References
Accessibility at Microsoft, Home
http://www.microsoft.com/enable/
Accessibility in Internet Explorer 7
http://www.microsoft.com/enable/products/IE7/default.aspx
Preparing your CSS for Internet Explorer 7
http://www.webcredible.co.uk/user-friendly-resources/css/internet-explorer-7.shtml
Box model – W3C
http://www.w3.org/TR/CSS21/box.html
The (Overhyped) Web Browser War: Internet Explorer 7 vs. Firefox 2.0 - Popular Mechanics
http://www.popularmechanics.com/blogs/technology_news/4200422.html