borderImageSlice

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

Syntax: [ <number [0,∞]> | <percentage [0,∞]> ]{1,4} && fill?

Initial value: 100%

| Chrome | Firefox | Safari |  Edge  |   IE   |
| :----: | :-----: | :----: | :----: | :----: |
|   15   |   15    |   6    |   12   |   11   |

See also