Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x52 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x36 children: not-inline
      Box <div.container> at (8,8) content-size 784x36 [GFC] children: not-inline
        BlockContainer <div.item> at (8,8) content-size 784x18 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 3, rect: [8,8 31.265625x18] baseline: 13.796875
              "Uno"
          TextNode <#text>
      BlockContainer <(anonymous)> at (8,44) content-size 784x0 children: inline
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x52]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x36]
      PaintableBox (Box<DIV>.container) [8,8 784x36]
        PaintableWithLines (BlockContainer<DIV>.item) [8,8 784x18]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [8,44 784x0]
