Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (1,1) content-size 798x123 [BFC] children: not-inline
    BlockContainer <body> at (10,10) content-size 780x105 children: not-inline
      BlockContainer <(anonymous)> at (10,10) content-size 780x0 children: inline
        TextNode <#text>
      Box <div.grid.start> at (11,11) content-size 778x19 [GFC] children: not-inline
        BlockContainer <div> at (12,12) content-size 43.859375x17 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 5, rect: [12,12 43.859375x17] baseline: 13.296875
              "Start"
          TextNode <#text>
      BlockContainer <(anonymous)> at (10,31) content-size 780x0 children: inline
        TextNode <#text>
      Box <div.grid.center> at (11,32) content-size 778x19 [GFC] children: not-inline
        BlockContainer <div> at (373.46875,33) content-size 53.046875x17 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 6, rect: [373.46875,33 53.046875x17] baseline: 13.296875
              "Center"
          TextNode <#text>
      BlockContainer <(anonymous)> at (10,52) content-size 780x0 children: inline
        TextNode <#text>
      Box <div.grid.end> at (11,53) content-size 778x19 [GFC] children: not-inline
        BlockContainer <div> at (758.671875,54) content-size 29.328125x17 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 3, rect: [758.671875,54 29.328125x17] baseline: 13.296875
              "End"
          TextNode <#text>
      BlockContainer <(anonymous)> at (10,73) content-size 780x0 children: inline
        TextNode <#text>
      Box <div.grid.left> at (11,74) content-size 778x19 [GFC] children: not-inline
        BlockContainer <div> at (12,75) content-size 32.875x17 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 4, rect: [12,75 32.875x17] baseline: 13.296875
              "Left"
          TextNode <#text>
      BlockContainer <(anonymous)> at (10,94) content-size 780x0 children: inline
        TextNode <#text>
      Box <div.grid.right> at (11,95) content-size 778x19 [GFC] children: not-inline
        BlockContainer <div> at (746.03125,96) content-size 41.96875x17 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 5, rect: [746.03125,96 41.96875x17] baseline: 13.296875
              "Right"
          TextNode <#text>
      BlockContainer <(anonymous)> at (10,115) content-size 780x0 children: inline
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x125]
    PaintableWithLines (BlockContainer<BODY>) [9,9 782x107]
      PaintableWithLines (BlockContainer(anonymous)) [10,10 780x0]
      PaintableBox (Box<DIV>.grid.start) [10,10 780x21]
        PaintableWithLines (BlockContainer<DIV>) [11,11 45.859375x19]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [10,31 780x0]
      PaintableBox (Box<DIV>.grid.center) [10,31 780x21]
        PaintableWithLines (BlockContainer<DIV>) [372.46875,32 55.046875x19]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [10,52 780x0]
      PaintableBox (Box<DIV>.grid.end) [10,52 780x21]
        PaintableWithLines (BlockContainer<DIV>) [757.671875,53 31.328125x19]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [10,73 780x0]
      PaintableBox (Box<DIV>.grid.left) [10,73 780x21]
        PaintableWithLines (BlockContainer<DIV>) [11,74 34.875x19]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [10,94 780x0]
      PaintableBox (Box<DIV>.grid.right) [10,94 780x21]
        PaintableWithLines (BlockContainer<DIV>) [745.03125,95 43.96875x19]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [10,115 780x0]
