Range syntax for style queriesLimited availability
The @container style() CSS at-rule and if(style()) CSS function queries accept a range syntax, such as >, <, >=, <=, to query for inexact values.
Not yet supported in all major browsers — check the table and provide a fallback.
Browser support
DesktopChrome
1–141Not supported
142+Supportedsince Oct 28, 2025
Current: 155Edge
12–141Not supported
142+Supportedsince Oct 31, 2025
Current: 154Firefox
✕Not supportedup to 157
Current: 157Safari
✕Not supportedup to 27
Current: 27MobileChrome Android
18–141Not supported
142+Supportedsince Oct 28, 2025
Current: 155Firefox Android
✕Not supportedup to 157
Current: 157Safari iOS
✕Not supportedup to 27
Current: 27How to use
Not supported in Firefox, Safari, Firefox Android, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.
Example
Full syntax and examples are on MDN — see the links below.
Feature detection
There’s no simple runtime check for this feature; rely on the support table and test in your target browsers.
Specification
Sub-features
Support for each part of the feature (2). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| @container.style_queries_for_custom_properties.range_syntax | 142 | 142 | 151 | ✕ | 142 | 151 | ✕ |
| <if>.style.range_syntax | 142 | 142 | ✕ | ✕ | 142 | ✕ | ✕ |