shapeImageThreshold

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

Syntax: <opacity-value>

Initial value: 0.0

| Chrome | Firefox |  Safari  |  Edge  | IE  |
| :----: | :-----: | :------: | :----: | :-: |
|   37   |   62    |   10.1   |   79   | No  |

See also