OptionalalignCross axis alignment
OptionalbackgroundBackground alpha (0-1)
OptionalbackgroundBackground color
OptionalborderBorder color
OptionalborderBorder radius
OptionalborderBorder width
OptionalclipClip children to panel bounds
OptionaldirectionFlex direction
OptionalfontFont configuration for children to inherit
OptionalgapGap between children
OptionalheightPanel height
OptionaljustifyMain axis alignment
OptionalpaddingInner padding
OptionalwidthPanel width
FlexContainerPanel configuration. Combines FlexContainer layout with panel features (background, border, clipping).