Nesting
CSS nesting allows for shorter selectors, easier reading, and more modularity by nesting rules inside others.
Status
Baseline Newly Available (since 2023-12-11)
This feature is expected to reach Baseline Widely Available status on: 2026-06-11
MDN documentation
Specifications
Browser support (view on caniuse.com)
- Chrome 120 Released on 2023-12-05
- Chrome Android 120 Released on 2023-12-05
- Edge 120 Released on 2023-12-07
- Firefox 117 Released on 2023-08-29
- Firefox for Android 117 Released on 2023-08-29
- Safari 17.2 Released on 2023-12-11
- Safari on iOS 17.2 Released on 2023-12-11
Developer signals
- State of CSS 2025: usage/gamechanger_feature question
- State of CSS 2025: usage/favorite_new_features question
- State of CSS 2025: features/all_features question
- State of CSS 2024: usage/favorite_new_features question
- State of CSS 2024: usage/css_pain_points question
- State of CSS 2024: usage/css_missing_features question
- State of CSS 2024: usage/css_interoperability_features question
- State of CSS 2024: features/all_features question
Usage (according to Chrome Platform Status)
~8.074% of page loads. More data at chromestatus.
Interop
- Included in Interop 2024
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