Font selection for the Web should be based on a generic font family to ensure an appropriate type style is rendered in any circumstances. Specific named fonts can then be declared in order of preference and tailored for specific platforms, but which to choose? This article compares the most common fonts for Windows, Mac and Unix family systems.

default: 100%(relative) =1em(relative– but causes a resizing bug in IE if used on the body) =16px(absolute– but IE can’t scale pixel font- sizes)