Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x116 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 100x100 children: not-inline
      Box <div.img-wrapper> at (8,8) content-size 100x100 [GFC] children: not-inline
        ImageBox <img> at (8,8) content-size 10x10 children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x116]
    PaintableWithLines (BlockContainer<BODY>) [8,8 100x100]
      PaintableBox (Box<DIV>.img-wrapper) [8,8 100x100]
        ImagePaintable (ImageBox<IMG>) [8,8 10x10]
