Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x374 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x358 children: not-inline
      Box <div.grid-container> at (8,8) content-size 784x358 [GFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text>
        BlockContainer <div.grid-item> at (68,68) content-size 17.046875x34 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [70.578125,68 11.890625x34] baseline: 26
              "1"
          TextNode <#text>
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text>
        BlockContainer <div.grid-item> at (255.046875,68) content-size 16.53125x34 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [255.046875,68 16.53125x34] baseline: 26
              "2"
          TextNode <#text>
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text>
        BlockContainer <div.grid-item> at (68,272) content-size 17.046875x34 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [68,272 17.046875x34] baseline: 26
              "3"
          TextNode <#text>
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text>
        BlockContainer <div.grid-item> at (255.046875,272) content-size 16.53125x34 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [256.046875,272 14.53125x34] baseline: 26
              "4"
          TextNode <#text>
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text>
      BlockContainer <(anonymous)> at (8,366) content-size 784x0 children: inline
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x374]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x358]
      PaintableBox (Box<DIV>.grid-container) [8,8 784x358]
        PaintableWithLines (BlockContainer<DIV>.grid-item) [8,8 137.046875x154]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.grid-item) [195.046875,8 136.53125x154]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.grid-item) [8,212 137.046875x154]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.grid-item) [195.046875,212 136.53125x154]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [8,366 784x0]
