Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x600 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x54 children: not-inline
      Box <div.container> at (9,9) content-size 600x52 flex-container(row) [FFC] children: not-inline
        BlockContainer <div.box> at (20,10) content-size 150x50 flex-item [BFC] children: inline
          frag 0 from TextNode start: 0, length: 11, rect: [20,10 86.359375x17] baseline: 13.296875
              "left margin"
          TextNode <#text>
        BlockContainer <div.box> at (172,10) content-size 150x50 flex-item [BFC] children: inline
          frag 0 from TextNode start: 0, length: 18, rect: [172,10 141.28125x17] baseline: 13.296875
              "follow immediately"
          TextNode <#text>
        BlockContainer <div.box> at (458,10) content-size 150x50 flex-item [BFC] children: inline
          frag 0 from TextNode start: 0, length: 17, rect: [458,10 138.296875x17] baseline: 13.296875
              "over at the right"
          TextNode <#text>
      BlockContainer <(anonymous)> at (8,62) content-size 784x0 children: inline
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x600]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x54]
      PaintableBox (Box<DIV>.container) [8,8 602x54]
        PaintableWithLines (BlockContainer<DIV>.box) [19,9 152x52]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.box) [171,9 152x52]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.box) [457,9 152x52]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [8,62 784x0]
