OptionalbookmarkOptional bookmark icon resource path or identifier.
OptionaliconsCustom icons used in selection and annotation helpers.
OptionalselectColor used for text selection overlays (hex with alpha).
OptionaldisplayVisual rectangle style used when displaying the visible page area.
OptionalscreenshotScreenshot selection visual style.
OptionalformForm preview rendering style.
OptionaldefaultDefault border style applied to annotation widgets.
OptionalfocusBorder style used when a node or widget is focused.
OptionalcropCrop image selection style.
Top-level UI style configuration for reader view elements.