CSS box-decoration-break

- WD

Controls whether the box's margins, borders, padding, and other decorations wrap the broken edges of the box fragments (when the box is split by a break (page/column/region/line).

IE

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

Edge

  1. 12 - 18: Not supported
  2. 79: Partial support
  3. 80: Partial support

Firefox

  1. 2 - 31: Not supported
  2. 32 - 71: Supported
  3. 72: Supported
  4. 73 - 74: Supported

Chrome

  1. 4 - 21: Not supported
  2. 22 - 79: Partial support
  3. 80: Partial support
  4. 81 - 83: Partial support

Safari

  1. 3.1 - 6: Not supported
  2. 6.1 - 12.1: Partial support
  3. 13: Partial support
  4. TP: Partial support

Opera

  1. 9 - 10.6: Not supported
  2. 11 - 12.1: Supported
  3. 15 - 65: Partial support
  4. 66: Partial support

iOS Safari

  1. 3.2 - 6.1: Not supported
  2. 7 - 13.1: Partial support
  3. 13.2: Partial support
  4. 13.3: Partial support

Opera Mini

  1. all: Partial support

Android Browser

  1. 2.1 - 4.3: Not supported
  2. 4.4 - 4.4.4: Partial support
  3. 76: Partial support

Blackberry Browser

  1. 7: Not supported
  2. 10: Partial support

Opera Mobile

  1. 10: Not supported
  2. 11 - 12.1: Supported
  3. 46: Partial support

Chrome for Android

  1. 79: Partial support

Firefox for Android

  1. 68: Supported

IE Mobile

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

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4 - 9.2: Partial support
  2. 10.1: Partial support

QQ Browser

  1. 1.2: Partial support

Baidu Browser

  1. 7.12: Partial support

KaiOS Browser

  1. 2.5: Supported
Resources:
Demo of effect on box border
MDN Web Docs - CSS box-decoration-break
Microsoft Edge feature request on UserVoice