95% of the web pages out there (I totally made that number up) use 'px' to specify font sizes. Had we designers/developers been more sensible and popularized 'e

95% of the web pages out there (I totally made that number up) use 'px' to specify font sizes. Had we designers/developers been more sensible and popularized 'em', I wouldn't mind this. But I think this greatly undermines accessibility, and accessibility is way more important than pixel-perfect layouts.