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Can someone please tell me what 'static' and 'dynamic' refers to in the context of font size? Can anyone give a specific example? I tried googling it, but I'm getting garbage for results.
There's a lot more to it. Px are sometimes viewed as 'static', but in fact they are a relative measure. Most modern browsers do allow pixels to be resized. Only browser who doesn't, ... well guess once.
So you have to decide for yourself whether or not it's a problem that IE cannot resize your text-size when you've set it as px. An option is to use something like: