rlh unit
The rlh CSS length unit is a font-relative length relative to the line height of root element.
Status
Baseline Newly Available (since 2023-11-21)
This feature is expected to reach Baseline Widely Available status on: 2026-05-21
MDN documentation
Specifications
Browser support
- Chrome 111 Released on 2023-03-07
- Chrome Android 111 Released on 2023-03-07
- Edge 111 Released on 2023-03-13
- Firefox 120 Released on 2023-11-21
- Firefox for Android 120 Released on 2023-11-21
- Safari 16.4 Released on 2023-03-27
- Safari on iOS 16.4 Released on 2023-03-27
Usage (according to Chrome Platform Status)
~0.001% of page loads. More data at chromestatus.
Web Platform Tests (WPT)
View the latest WPT test results for this featureView as JSON | Edit this feature | Report an issue | Web-features entry: source, dist