Comment on A 12pt Font Should Be The Same Size EverywhereparentComments−reitzensteinm14ypx is a measure of length, not area.A 12 px high font is 24 px high on a retina display.A 12 px by 12 px box is 144 px^2, or 12 x 12 x 2 x 2 = 576 px^2 on retina.
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px is a measure of length, not area.
A 12 px high font is 24 px high on a retina display.
A 12 px by 12 px box is 144 px^2, or 12 x 12 x 2 x 2 = 576 px^2 on retina.