::-webkit-progress-inner-element

Non-standard: This feature is not standardized. We do not recommend using non-standard features in production, as they have limited browser support, and may change or be removed. However, they can be a suitable alternative in specific cases where no standard option exists.

The ::-webkit-progress-inner-element CSS pseudo-element represents the outermost container of the <progress> element. It is the parent of the ::-webkit-progress-bar pseudo-element.

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

Syntax

css

::-webkit-progress-inner-element {
  /* ... */
}

Examples

These examples work only on Blink and WebKit.

Adding a black border around the progress bar

In this example, a 2px black border is added around the progress bar.

HTML

html

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

CSS

css

progress {
  -webkit-appearance: none;
}

::-webkit-progress-inner-element {
  border: 2px solid black;
}

Result

Result screenshot

If you're not using a Blink or WebKit browser, the above code results in a progress bar looking like this:

Specifications

Not part of any standard.