Size containment

The contain: size CSS declaration sets an element's dimensions exclusively by its height and width properties, ignoring its contents and descendants. This permits the browser to avoid slower layout calculations.

Compatibility

• Chrome 52 Released on 2016-07-20
• Chrome Android 52 Released on 2016-07-27
• Edge 79 Released on 2020-01-15
• Firefox 69 Released on 2019-09-03
• Firefox for Android 79 Released on 2020-07-28
• Safari 15.4 Released on 2022-03-14
• Safari on iOS 15.4 Released on 2022-03-14

BCD data

• css.properties.contain
• css.properties.contain.size