Replaces all publication defined styles used for the active element during MediaOverlay playback.
The style declarations added with this option are not affected
by IPublicationStyle.paletteOptions
Fallback CSS class name to apply to 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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