css pseudo element
`::-webkit-progress-value` CSS pseudo-element
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-valuetake effect,appearanceneeds to be set tononeon the<progress>element.
Syntax
::-webkit-progress-value {
/* ... */
}
Examples
This example will only work in browsers based on Blink or WebKit.
HTML
<progress value="10" max="50"></progress>
CSS
progress {
-webkit-appearance: none;
}
::-webkit-progress-value {
background-color: orange;
}
Result
Interactive exampleOpen the canonical MDN source to run this embedded demo.
Result screenshot
A progress bar using the style above would look like this:

Specifications
Not part of any standard.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.
See also
-
The pseudo-elements used by WebKit/Blink to style other parts of a
<progress>element: