OptionalborderBorder spacing (visual border implemented separately)
OptionalbottomAbsolute positioning offset from bottom
OptionaldisplayDisplay mode. 'none' hides the component from layout.
OptionalflexFlex layout properties
Height constraint
OptionalleftAbsolute positioning offset from left
Outer spacing
OptionalmaxMaximum height
OptionalmaxMaximum width
OptionalminMinimum height
OptionalminMinimum width
OptionalorderVisual order (lower values rendered first). Default: 0
Inner spacing
OptionalpositionPositioning mode. 'absolute' removes from flex flow.
OptionalrightAbsolute positioning offset from right
OptionaltopAbsolute positioning offset from top
Width constraint
OptionalzZ-index for layering. Default: 0
Represents the box model for a UI component. Similar to CSS box model with width, height, padding, margin, and border. Extended with CSS-lite flex layout properties.