For those of you looking to reset the styles for browsers so they all use the same stylesheet you may want to check these out.
YUI Reset CSSThe foundational YUI Reset CSS file creates a level playing field across A-grade browsers and provides a sound foundation upon which you can explicitly declare your intentions. It normalizes the default rendering of all HTML elements, for example it sets margin, padding, and border to 0, font sizes to YUI Font's default, italic and bold styles to normal, and list-style to none.
http://developer.yahoo.com/yui/reset/Erics modified Reset Styles (based on the yahoo one)
http://meyerweb.com/eric/thoughts/2007/04/12/reset-styles/