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+0 270 0+1+0] [BFC] children: not-inline
    BlockContainer <body> at [10,10] [8+1+0 780 0+1+8] [8+1+0 252 0+1+8] children: not-inline
      BlockContainer <div> at [11,11] [0+1+0 250 0+1+528] [0+1+0 250 0+1+0] children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x272]
    PaintableWithLines (BlockContainer<BODY>) [9,9 782x254]
      PaintableWithLines (BlockContainer<DIV>) [10,10 252x252]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [1,1 798x270] [children: 0] (z-index: auto)
