Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x252 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x236 children: not-inline
      Box <div.grid-container> at (8,8) content-size 784x236 [GFC] children: not-inline
        BlockContainer <div> at (8,8) content-size 784x200 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 6, rect: [8,8 46.71875x18] baseline: 13.796875
              "Item 1"
          TextNode <#text>
        BlockContainer <div> at (8,208) content-size 784x18 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 6, rect: [8,208 49.1875x18] baseline: 13.796875
              "Item 2"
          TextNode <#text>
        BlockContainer <div> at (8,226) content-size 784x18 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 6, rect: [8,226 49.46875x18] baseline: 13.796875
              "Item 3"
          TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x252]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x236]
      PaintableBox (Box<DIV>.grid-container) [8,8 784x236]
        PaintableWithLines (BlockContainer<DIV>) [8,8 784x200]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>) [8,208 784x18]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>) [8,226 784x18]
          TextPaintable (TextNode<#text>)
