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 62.40625 0+1+0] [BFC] children: not-inline
    BlockContainer <body> at [2,2] [0+1+0 796 0+1+0] [0+1+0 60.40625 0+1+0] children: inline
      frag 0 from BlockContainer start: 0, length: 0, rect: [3,3 30x30] baseline: 32
      frag 1 from BlockContainer start: 0, length: 0, rect: [4,35 30x30] baseline: 32
      BlockContainer <div.clump> at [3,3] inline-block [0+1+0 30 0+1+0] [0+1+0 30 0+1+0] [BFC] children: not-inline
      BreakNode <br> (not painted)
      BlockContainer <div.clump> at [4,35] inline-block [0+1+0 30 0+1+0] [0+1+0 30 0+1+0] [BFC] children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x64.40625]
    PaintableWithLines (BlockContainer<BODY>) [1,1 798x62.40625]
      PaintableWithLines (BlockContainer<DIV>.clump) [2,2 32x32]
      PaintableWithLines (BlockContainer<DIV>.clump) [3,34 32x32]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [1,1 798x62.40625] [children: 0] (z-index: auto)
