Fallback CSS class name to apply to the for the currently playing EPUB Content Document element, if the OPF document does not specify any such class.
Fallback CSS class name to apply to the EPUB Content Document's document element when playback is active, if the OPF document does not specify any such class.
Generated using TypeDoc
CSS class name to apply to ancestor elements for the currently playing EPUB Content Document element.
A value of null means this feature is not used.
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