Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
BlockContainer at [0,0] [0+0+0 800 0+0+0] [0+0+0 200 0+0+0] [BFC] children: not-inline
Box at [0,0] flex-container(column) [0+0+0 400 0+0+400] [0+0+0 200 0+0+0] [FFC] children: not-inline
ImageBox ![]()
at [0,0] flex-item [0+0+0 400 0+0+0] [0+0+0 200 0+0+0] children: not-inline
ViewportPaintable (Viewport<#document>) [0,0 800x600]
PaintableWithLines (BlockContainer) [0,0 800x200]
PaintableBox (Box) [0,0 400x200]
ImagePaintable (ImageBox![]()
) [0,0 400x200]
SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
SC for BlockContainer [0,0 800x200] [children: 0] (z-index: auto)