Taking the “Erm..” Out of Ems | Envato Tuts+

Size is Everything When we build websites, we need to tell the browser how “big” stuff is: “this heading is so big”, “this container is yay high”, “this form is wider than that”, it’s how we layout a page. Pixels have always made perfect sense as the chosen unit of measurement; we’re outputting to a screen, so what else would we use?! However, pixels aren’t particularly flexible. And it turns out

[wozozo]

em rem