CSS Logical Properties

- WD

Logical properties and values provide control of layout through logical, rather than physical, direction and dimension mappings. These properties are writing-mode relative equivalents of their corresponding physical properties.

IE

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

Edge

  1. 12 - 18: Not supported
  2. 79 - 86: Partial support
  3. 87 - 88: Partial support
  4. 89 - 96: Supported
  5. 97: Supported

Firefox

  1. 2: Not supported
  2. 3 - 40: Partial support
  3. 41 - 65: Partial support
  4. 66 - 95: Supported
  5. 96: Supported
  6. 97 - 98: Supported

Chrome

  1. 4 - 68: Partial support
  2. 69 - 86: Partial support
  3. 87 - 88: Partial support
  4. 89 - 96: Supported
  5. 97: Supported
  6. 98 - 100: Supported

Safari

  1. 3.1 - 12: Partial support
  2. 12.1 - 14: Partial support
  3. 14.1: Partial support
  4. 15 - 15.1: Supported
  5. 15.2: Supported
  6. TP: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 55: Partial support
  3. 56 - 73: Partial support
  4. 74 - 75: Partial support
  5. 76 - 81: Supported
  6. 82: Supported

Safari on iOS

  1. 3.2 - 12.1: Partial support
  2. 12.2 - 14.4: Partial support
  3. 14.5: Partial support
  4. 15: Supported
  5. 15.2: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Partial support
  2. 97: Supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 64: Supported

Chrome for Android

  1. 97: Supported

Firefox for Android

  1. 95: Supported

UC Browser for Android

  1. 12.12: Partial support

Samsung Internet

  1. 4 - 9.2: Partial support
  2. 10.1 - 14.0: Partial support
  3. 15.0: Supported

QQ Browser

  1. 10.4: Partial support

Baidu Browser

  1. 7.12: Partial support

KaiOS Browser

  1. 2.5: Partial support
Resources:
MDN Web Docs - CSS -moz-margin-start
MDN Web Docs - CSS -moz-padding-start
MDN - Basic concepts of Logical Properties and Values
Microsoft Edge feature request on UserVoice