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Discussion on: 15 CSS Relative units, how many do you know? em, rem, ex, cap, ch, ic...

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Daniel Tonon • Edited on

Ok if you really must use px units for fonts then please install this postcss npm plugin into your build process

npmjs.com/package/postcss-pxtorem

Using px units on any font setting on your site is an instant WCAG AA accessibility fail.

w3.org/TR/UNDERSTANDING-WCAG20/vis...

Same goes for things like vw in font size settings. It should be combined with rem in a calc function to ensure that text is still able to be resized.