:playing CSS pseudo-class

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

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The :playing CSS pseudo-class selector represents the playback state of an element that is playable, such as <audio> or <video>, when that element is "playing". An element is considered to be playing if it is currently playing the media resource, or if it has temporarily stopped for reasons other than user intent (such as :buffering or :stalled).