Limited Availability Container queries

Range syntax for style queries

The @container style() CSS at-rule and if(style()) CSS function queries accept a range syntax, such as >, <, >=, <=, to query for inexact values.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Oct 31, 2025.

Desktop Browser Engine Support

Google Chrome

142

Supported

Mozilla Firefox

—

Unsupported

Apple Safari

—

Unsupported

Microsoft Edge

142

Supported

Mobile Browser Engine Support

Chrome Android

142

Firefox Android

—

Safari iOS

—

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

css.at-rules.container.style_queries_for_custom_properties.range_syntax ↗ css.types.if.style.range_syntax ↗