Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x34 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x18 children: not-inline
      Box <div.foo> at (8,8) content-size 784x18 flex-container(row) [FFC] children: not-inline
        BlockContainer <(anonymous)> at (8,8) content-size 28.40625x18 flex-item [BFC] children: inline
          frag 0 from TextNode start: 0, length: 4, rect: [8,8 28.40625x18] baseline: 13.796875
              "well"
          TextNode <#text>
        BlockContainer <(anonymous)> at (46.40625,8) content-size 36.84375x18 flex-item [BFC] children: inline
          frag 0 from TextNode start: 0, length: 5, rect: [46.40625,8 36.84375x18] baseline: 13.796875
              "hello"
          TextNode <#text>
        BlockContainer <(anonymous)> at (93.25,8) content-size 55.359375x18 flex-item [BFC] children: inline
          frag 0 from TextNode start: 0, length: 7, rect: [93.25,8 55.359375x18] baseline: 13.796875
              "friends"
          TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x34]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x18]
      PaintableBox (Box<DIV>.foo) [8,8 784x18]
        PaintableWithLines (BlockContainer(anonymous)) [8,8 28.40625x18]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer(anonymous)) [46.40625,8 36.84375x18]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer(anonymous)) [93.25,8 55.359375x18]
          TextPaintable (TextNode<#text>)
