Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] children: not-inline
  BlockContainer <html> at [1,1] [0+1+0 798 0+1+0] [0+1+0 80 0+1+0] [BFC] children: not-inline
    BlockContainer <body> at [10,10] [8+1+0 780 0+1+8] [8+1+0 62 0+1+8] children: inline
      frag 0 from ImageBox start: 0, length: 0, rect: [11,11 80x60] baseline: 62
      ImageBox <img> at [11,11] [0+1+0 80 0+1+0] [0+1+0 60 0+1+0] children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x82]
    PaintableWithLines (BlockContainer<BODY>) [9,9 782x64]
      ImagePaintable (ImageBox<IMG>) [10,10 82x62]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [1,1 798x80] [children: 0] (z-index: auto)
