Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
  BlockContainer <html> at [1,1] [0+1+0 798 0+1+0] [0+1+0 0 0+1+0] [BFC] children: not-inline
    BlockContainer <body> at [10,10] positioned [8+1+0 4 0+1+8] [8+1+0 54 0+1+8] [BFC] children: not-inline
      BlockContainer <div.outer> at [11,11] [0+1+0 2 0+1+0] [0+1+0 52 0+1+0] children: not-inline
        BlockContainer <div.inner> at [12,12] [0+1+0 0 0+1+0] [0+1+0 50 0+1+0] children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x2]
    PaintableWithLines (BlockContainer<BODY>) [9,9 6x56]
      PaintableWithLines (BlockContainer<DIV>.outer) [10,10 4x54]
        PaintableWithLines (BlockContainer<DIV>.inner) [11,11 2x52]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [1,1 798x0] (z-index: auto)
