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CSS3 tab-size

- CR

Method of customizing the width of the tab character. Only effective using 'white-space: pre', 'white-space: pre-wrap', and 'white-space: break-spaces'.

Chrome

  1. ❌ 4 - 20: Not supported
  2. ◐ 21 - 41: Partial support
  3. ✅ 42 - 155: Supported
  4. ✅ 156: Supported
  5. ✅ 157 - 159: Supported

Edge

  1. ❌ 12 - 18: Not supported
  2. ✅ 79 - 154: Supported
  3. ✅ 155: Supported

Safari

  1. ❌ 3.1 - 6: Not supported
  2. ◐ 6.1 - 13: Partial support
  3. ✅ 13.1 - 26.6: Supported
  4. ✅ 27: Supported
  5. ✅ 27.1 - TP: Supported

Firefox

  1. ❌ 2 - 3.6: Not supported
  2. ◐ 4 - 52: Partial support
  3. ✅ 53 - 90: Supported
  4. ✅ 91 - 157: Supported
  5. ✅ 158: Supported
  6. ✅ 159 - 161: Supported

Opera

  1. ❌ 9 - 10.5: Not supported
  2. ◐ 10.6 - 12.1: Partial support
  3. ◐ 15 - 28: Partial support
  4. ✅ 29 - 134: Supported
  5. ✅ 135: Supported

IE

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

Chrome for Android

  1. ✅ 156: Supported

Safari on iOS

  1. ❌ 3.2 - 6.1: Not supported
  2. ◐ 7 - 13.3: Partial support
  3. ✅ 13.4 - 26.6: Supported
  4. ✅ 27.0: Supported
  5. ✅ 27.1 - 27.2: Supported

Samsung Internet

  1. ✅ 4 - 29: Supported
  2. ✅ 30: Supported

Opera Mini

  1. ◐ all: Partial support

Opera Mobile

  1. ❌ 10: Not supported
  2. ◐ 11 - 12.1: Partial support
  3. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ❌ 2.1 - 4.3: Not supported
  2. ◐ 4.4 - 4.4.4: Partial support
  3. ✅ 156: Supported

Firefox for Android

  1. ✅ 158: Supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ◐ 2.5: Partial support
  2. ◐ 3: Partial support
Resources:
Firefox bug to unprefix `-moz-tab-size`
MDN Web Docs - CSS tab-size