CSS3 selectors

- REC

Advanced element selection using selectors including: [foo^="bar"], [foo$="bar"], [foo*="bar"], :root, :nth-child(), :nth-last-child(), :nth-of-type(), :nth-last-of-type(), :last-child, :first-of-type, :last-of-type, :only-child, :only-of-type, :empty, :target, :enabled, :disabled, :checked, :not(), ~ (general sibling)

IE

  1. 5.5: Not supported
  2. 6: Not supported (but has polyfill available)
  3. 7 - 8: Partial support
  4. 9 - 10: Supported
  5. 11: Supported

Edge

  1. 12 - 79: Supported
  2. 80: Supported

Firefox

  1. 2 - 3: Not supported
  2. 3.5 - 73: Supported
  3. 74: Supported
  4. 75 - 76: Supported

Chrome

  1. 4 - 79: Supported
  2. 80: Supported
  3. 81 - 83: Supported

Safari

  1. 3.1: Not supported
  2. 3.2 - 12.1: Supported
  3. 13: Supported
  4. 13.1 - TP: Supported

Opera

  1. 9: Not supported
  2. 9.5 - 65: Supported
  3. 66: Supported

iOS Safari

  1. 3.2 - 13.2: Supported
  2. 13.3: Supported
  3. 13.4: Supported

Opera Mini

  1. all: Supported

Android Browser

  1. 2.1 - 4.4.4: Supported
  2. 80: Supported

Blackberry Browser

  1. 7: Supported
  2. 10: Supported

Opera Mobile

  1. 10 - 12.1: Supported
  2. 46: Supported

Chrome for Android

  1. 80: Supported

Firefox for Android

  1. 68: Supported

IE Mobile

  1. 10: Supported
  2. 11: Supported

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4 - 10.1: Supported
  2. 11.1: Supported

QQ Browser

  1. 1.2: Supported

Baidu Browser

  1. 7.12: Supported

KaiOS Browser

  1. 2.5: Supported
Resources:
Selectivizr: Polyfill for IE6-8
Automated CSS3 selector test
Detailed support information
WebPlatform Docs
Sub-features:
CSS first-line pseudo-element