columnRule

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2017.

Syntax: <'column-rule-width'> || <'column-rule-style'> || <'column-rule-color'>

| Chrome  | Firefox | Safari  |  Edge  |   IE   |
| :-----: | :-----: | :-----: | :----: | :----: |
|   50    |   52    |    9    |   12   |   10   |
|    1′   |         |    3′   |        |        |

See also