CSS3 Box-sizing

- WD

Chrome

  1. 121
  2. 122
  3. 123
  4. 124
  5. 125
  6. 126
  7. 127

Edge

  1. 120
  2. 121
  3. 122
  4. 123

Safari

  1. 17.1
  2. 17.2
  3. 17.3
  4. 17.4
  5. 17.5
  6. TP

Firefox

  1. 122
  2. 123
  3. 124
  4. 125
  5. 126
  6. 127
  7. 128

Opera

  1. 106
  2. 107
  3. 108
  4. 109

IE

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

Chrome for Android

  1. 123

Safari on iOS

  1. 17.1
  2. 17.2
  3. 17.3
  4. 17.4
  5. 17.5

Samsung Internet

  1. 21
  2. 22
  3. 23
  4. 24

Opera Mini

  1. all

Opera Mobile

  1. 11.5
  2. 12
  3. 12.1
  4. 80

UC Browser for Android

  1. 15.5

Android Browser

  1. 4.2-4.3
  2. 4.4
  3. 4.4.3-4.4.4
  4. 123

Firefox for Android

  1. 124

QQ Browser

  1. 14.9

Baidu Browser

  1. 13.52

KaiOS Browser

  1. 2.5
  2. 3.0-3.1

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.