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Font Size Adjust

Allows you to define font size based on the height of lowercase letters instead of uppercase letters. This is helpful for readability and reflows when a fallback font loads and has a large difference in "aspect value" from the primary font.


Relative sizing: the font-size-adjust property on W3C

Example Code

Live Demonstration

For a demonstration of the font-size-adjust property, try out this tool in a supporting browser.

Browser Support

Can I Use font-size-adjust? Data on support for the font-size-adjust feature across the major browsers from caniuse.com.

Tools / Polyfills

Tutorials / Articles