There are a lot of CSS units available at the moment and we mostly still rely on pixels and (r)ems for our sizing and fonts. I say it’s time to do a little freshening up. Instead of writing a list of which units are available in CSS that you can easily find on MDN as well, I thought I’d give some examples of where they could come in handy. I will create a mini-series out of this and for the first part, let’s start off with relative length units based on font.

Anja Petry

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Explore different relative length units in CSS for sizing and fonts, including 'cap' for scale-independent layouts and 'ch' for creating responsive grids.

Going beyond pixels and (r)ems in CSS