in my personal css framework, i only do fluid type on headers, not body text, as i found the effect to be too subtle to matter. but header text can be overwhelm

in my personal css framework, i only do fluid type on headers, not body text, as i found the effect to be too subtle to matter. but header text can be overwhelming on small devices without it. then you can let the user (agent) set the default font size on root/html.