CSS - ::-webkit-progress-value

The ::-webkit-progress-value CSS pseudo-element represents the filled-in portion of the bar of a <progress> element. It is a child of the ::-webkit-progress-bar pseudo-element.

Example

CSS content

progress {
  -webkit-appearance: none;
}

::-webkit-progress-value {
  background-color: orange;
}

HTML content

<progress value="10" max="50">

Description  

The ::-webkit-progress-value CSS pseudo-element represents the filled-in portion of the bar of a <progress> element. It is a child of the ::-webkit-progress-bar pseudo-element.

Note: In order to let ::-webkit-progress-value take effect, -webkit-appearance needs to be set to none on the <progress> element.

Browser Compatibility  

Feature Firefox (Gecko) Chrome Internet Explorer Opera Safari
Basic support No support (Yes) No support (Yes) (Yes)
Feature Firefox Mobile (Gecko) Android IE Phone Opera Mobile Safari Mobile
Basic support No support (Yes) No support (Yes) (Yes)

See Also  

Specifications  

Not part of any specification. This is a proprietary pseudo-element specific to WebKit/Blink.

Output

A progress bar using the style above would look like this:

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/css/::-webkit-progress-value