Quote:
Originally Posted by rashkae
Since pt is a actual distance which is not related to font size, it has no similarity to any value in em.
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In addition to em there's also rem, root font em. There was a thread here, if I remember correctly, about how an em can change when you're using different sizes where things are nested; e.g., a p inside of a blockquote perhaps. I didn't pay attention and don't remember the details. I remember thinking that maybe rem could avoid the variance.