Web platform features explorer

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

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

Usage (according to Chrome Platform Status)

~8.074% of page loads. More data at chromestatus.

Interop