The text-box CSS property sets the spacing above and below text based on a font's typographic features. For example, text-box: trim-both ex alphabetic trims the top to the top of the letter x and the bottom to the bottom of most letters, without descenders.

Learning resources on MDN

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Browser support (view on caniuse.com)

• Chrome 133 Released on 2025-02-04
• Chrome Android 133 Released on 2025-02-04
• Edge 133 Released on 2025-02-06
• Firefox ❌
• Firefox for Android ❌
• Safari 18.2 Released on 2024-12-11
• Safari on iOS 18.2 Released on 2024-12-11

Baseline availability blocked since February 2025 by Firefox (0 months)

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