Limited Availability CSS

named-feature()

The named-feature() function, when used with @supports, checks if a named CSS behavior is supported. The CSS behavior names are defined by specification. For example, @supports named-feature(anchor-position-follows-transforms) checks whether anchor-positioning applies after transforms."

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Jul 2, 2026.

Desktop Browser Engine Support

Google Chrome

150

Supported

Mozilla Firefox

—

Unsupported

Apple Safari

—

Unsupported

Microsoft Edge

150

Supported

Mobile Browser Engine Support

Chrome Android

150

Firefox Android

—

Safari iOS

—

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

css.at-rules.supports.named-feature ↗