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+0 118 0+1+0] [BFC] children: not-inline
    BlockContainer <body> at [10,10] [8+1+0 780 0+1+8] [8+1+0 100 0+1+8] children: not-inline
      BlockContainer <(anonymous)> at [10,10] [0+0+0 780 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
      Box <div.grid.start> at [11,11] [0+1+0 778 0+1+0] [0+1+0 18 0+1+0] [GFC] children: not-inline
        BlockContainer <div> at [12,12] [0+1+0 43.859375 0+1+732.140625] [0+1+0 16 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 5, rect: [12,12 43.859375x16] baseline: 12.796875
              "Start"
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [10,30] [0+0+0 780 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
      Box <div.grid.center> at [11,31] [0+1+0 778 0+1+0] [0+1+0 18 0+1+0] [GFC] children: not-inline
        BlockContainer <div> at [373.46875,32] [361.46875+1+0 53.046875 0+1+361.46875] [0+1+0 16 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 6, rect: [373.46875,32 53.046875x16] baseline: 12.796875
              "Center"
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [10,50] [0+0+0 780 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
      Box <div.grid.end> at [11,51] [0+1+0 778 0+1+0] [0+1+0 18 0+1+0] [GFC] children: not-inline
        BlockContainer <div> at [758.671875,52] [746.671875+1+0 29.328125 0+1+0] [0+1+0 16 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 3, rect: [758.671875,52 29.328125x16] baseline: 12.796875
              "End"
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [10,70] [0+0+0 780 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
      Box <div.grid.left> at [11,71] [0+1+0 778 0+1+0] [0+1+0 18 0+1+0] [GFC] children: not-inline
        BlockContainer <div> at [12,72] [0+1+0 32.875 0+1+743.125] [0+1+0 16 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 4, rect: [12,72 32.875x16] baseline: 12.796875
              "Left"
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [10,90] [0+0+0 780 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
      Box <div.grid.right> at [11,91] [0+1+0 778 0+1+0] [0+1+0 18 0+1+0] [GFC] children: not-inline
        BlockContainer <div> at [746.03125,92] [734.03125+1+0 41.96875 0+1+0] [0+1+0 16 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 5, rect: [746.03125,92 41.96875x16] baseline: 12.796875
              "Right"
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [10,110] [0+0+0 780 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x120]
    PaintableWithLines (BlockContainer<BODY>) [9,9 782x102]
      PaintableWithLines (BlockContainer(anonymous)) [10,10 780x0]
      Paintable (Box<DIV>.grid.start) [10,10 780x20]
        PaintableWithLines (BlockContainer<DIV>) [11,11 45.859375x18]
      PaintableWithLines (BlockContainer(anonymous)) [10,30 780x0]
      Paintable (Box<DIV>.grid.center) [10,30 780x20]
        PaintableWithLines (BlockContainer<DIV>) [372.46875,31 55.046875x18]
      PaintableWithLines (BlockContainer(anonymous)) [10,50 780x0]
      Paintable (Box<DIV>.grid.end) [10,50 780x20]
        PaintableWithLines (BlockContainer<DIV>) [757.671875,51 31.328125x18]
      PaintableWithLines (BlockContainer(anonymous)) [10,70 780x0]
      Paintable (Box<DIV>.grid.left) [10,70 780x20]
        PaintableWithLines (BlockContainer<DIV>) [11,71 34.875x18]
      PaintableWithLines (BlockContainer(anonymous)) [10,90 780x0]
      Paintable (Box<DIV>.grid.right) [10,90 780x20]
        PaintableWithLines (BlockContainer<DIV>) [745.03125,91 43.96875x18]
      PaintableWithLines (BlockContainer(anonymous)) [10,110 780x0]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [1,1 798x118] (z-index: auto)
