CH lets us set the width on a text element if we’re trying to limit the number of characters (and it bases that width on the font’s zero character.) CH units are great for sizing something like a paragraph or a heading to limit the number of characters someone has to read per line. So your eyeballs don’t get strained from reading all the way across the screen each time.
Learn more at: https://university.webflow.com/lesson/accessible-typography-using-ch-units
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