Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x66 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 400x50 children: not-inline
      BlockContainer <div.right> at (370.890625,8) content-size 37.109375x18 floating [BFC] children: inline
        frag 0 from TextNode start: 0, length: 5, rect: [370.890625,8 37.109375x18] baseline: 13.796875
            "right"
        TextNode <#text>
      Box <div.flex> at (8,8) content-size 362.890625x50 flex-container(row) [FFC] children: not-inline
        BlockContainer <div.item> at (8,8) content-size 32.34375x50 flex-item [BFC] children: inline
          frag 0 from TextNode start: 0, length: 4, rect: [8,8 32.34375x18] baseline: 13.796875
              "item"
          TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x66]
    PaintableWithLines (BlockContainer<BODY>) [8,8 400x50]
      PaintableWithLines (BlockContainer<DIV>.right) [370.890625,8 37.109375x18]
        TextPaintable (TextNode<#text>)
      PaintableBox (Box<DIV>.flex) [8,8 362.890625x50]
        PaintableWithLines (BlockContainer<DIV>.item) [8,8 32.34375x50]
          TextPaintable (TextNode<#text>)
