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CSS Nesting

- WD

CSS nesting provides the ability to nest one style rule inside another, with the selector of the child rule relative to the selector of the parent rule. Similar behavior previously required a CSS pre-processor.

Chrome

  1. 4 - 108: Not supported
  2. 109 - 110: Disabled by default
  3. 111: Disabled by default
  4. 112 - 114: Supported

Edge

  1. 12 - 108: Not supported
  2. 109 - 110: Disabled by default
  3. 111: Disabled by default

Safari

  1. 3.1 - 16.3: Not supported
  2. 16.4: Not supported
  3. 16.5 - TP: Supported

Firefox

  1. 2 - 110: Not supported
  2. 111: Not supported
  3. 112 - 113: Not supported

Opera

  1. 9 - 94: Not supported
  2. 95: Disabled by default

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Chrome for Android

  1. 111: Not supported

Safari on iOS

  1. 3.2 - 16.3: Not supported
  2. 16.4: Not supported
  3. 16.5: Supported

Samsung Internet

  1. 4 - 19.0: Not supported
  2. 20: Not supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 73: Not supported

UC Browser for Android

  1. 13.4: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 111: Not supported

Firefox for Android

  1. 110: Not supported

QQ Browser

  1. 13.1: Not supported

Baidu Browser

  1. 13.18: Not supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported
Resources:
Chrome support bug
Safari support bug
Firefox support bug
Blog post: CSS Nesting, specificity and you