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 784x21 children: inline
      frag 0 from BlockContainer start: 0, length: 0, rect: [9,9 198x19] baseline: 14.296875
      BlockContainer <input> at (9,9) content-size 198x19 inline-block [BFC] children: not-inline
        Box <div> at (11,10) content-size 194x17 flex-container(row) [FFC] children: not-inline
          BlockContainer <div> at (11,10) content-size 194x17 flex-item [BFC] children: inline
            frag 0 from TextNode start: 0, length: 7, rect: [11,10 55.6875x17] baseline: 13.296875
                "120.png"
            TextNode <#text>
      TextNode <#text>
      TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x600]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x21]
      PaintableWithLines (BlockContainer<INPUT>) [8,8 200x21]
        PaintableBox (Box<DIV>) [9,9 198x19]
          PaintableWithLines (BlockContainer<DIV>) [11,10 194x17]
            TextPaintable (TextNode<#text>)
