CSS3 Box-sizing

- WD

IE

  1. 8
  2. 9
  3. 10
  4. 11

Edge

  1. 84
  2. 85
  3. 86
  4. 87

Firefox

  1. 81
  2. 82
  3. 83
  4. 84
  5. 85
  6. 86

Chrome

  1. 84
  2. 85
  3. 86
  4. 87
  5. 88
  6. 89
  7. 90

Safari

  1. 12.1
  2. 13
  3. 13.1
  4. 14
  5. TP

Opera

  1. 69
  2. 70
  3. 71
  4. 72

iOS Safari

  1. 13.2
  2. 13.3
  3. 13.4-13.7
  4. 14.0-14.3

Opera Mini

  1. all

Android Browser

  1. 4.2-4.3
  2. 4.4
  3. 4.4.3-4.4.4
  4. 81

Opera Mobile

  1. 11.5
  2. 12
  3. 12.1
  4. 59

Chrome for Android

  1. 87

Firefox for Android

  1. 83

UC Browser for Android

  1. 12.12

Samsung Internet

  1. 10.1
  2. 11.1-11.2
  3. 12.0
  4. 13.0

QQ Browser

  1. 10.4

Baidu Browser

  1. 7.12

KaiOS Browser

  1. 2.5

Firefox versions before 57 also supported the padding-box value for box-sizing, though this value was been removed from the specification and later versions of the browser.