Usable Cross Browser Font Sizing » Middleware Infrastructure mi6.ais.ucla.edu · Archived on 31 May 2007 · Originally posted on Pinboard

"My opinion is still that using % in the body and em for units is superior is it allows for text resizing in IE/win, is less browser specific (both methods are foiled by the typographical workings of IE5, but the Keyword Approach stumbles in some versions