Added support for HTML5 new selector "main".
Make the default selection less flashy.
Removed the default vertical aligment on hyperlinks.
Added some styling classes (cozy, zebra) for the tables and removed the original padding from table-cells.
Increased the default spacing under paragprahs, articles and content lists.
Removed the definition lists default style to allow for more flexibility.
Added a class to center elements.
Remove stray IE 6/7 hack.
Added default styles for disabled inputs.
Removed unecessary pre styles.
Normalize the text-transform for inputs.