Em vs Px and cross browser compatibility

Question

I\'m a CSS newbie and was wondering if there is a benefit using em instead of px when it comes the cross browser compatibility of my CSS.

Answer 1

Yes. Some browsers (-cough IE8 -cough)still do not scale text properly when it's in pixels. They zoom fine, but changing the text size gives no results.

Ems is more or less guaranteed to scale when the user requests it to. Also, ems can be used for navigation buttons or boxes that accommodate text that must scale well with the text- it's not just a font size. Try different variants in a bunch of browsers zooming in an out and enlarging text and see what results you get.