Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x516 [BFC] children: not-inline BlockContainer at (8,8) content-size 784x500 children: not-inline Box at (8,8) content-size 100x500 [GFC] children: not-inline ImageBox at (8,8) content-size 500x500 children: not-inline ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x516] PaintableWithLines (BlockContainer) [8,8 784x500] PaintableBox (Box

.grid) [8,8 100x500] overflow: [8,8 500x500] ImagePaintable (ImageBox) [8,8 500x500]