The ex unit in CSS
Written by Stefan Judis
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This post is part of my Today I learned series in which I share all my web development learnings.
Today, it's a really quick one. I came across the ex unit in CSS, and I didn't know that it was a thing. It stands for the x-height, and the spec defines it as follows:
The x-height is so called because it is often equal to the height of the lowercase "x".
I'm not sure when I would use that, but I hope to remember it when I find a need for it. A picture is worth more than words, so here we go with a quick #devsheets illustration. 👇
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Frontend nerd with over ten years of experience, freelance dev, "Today I Learned" blogger, conference speaker, and Open Source maintainer.