Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 120 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 104 0+0+8] children: inline
      frag 0 from TextInputBox start: 0, length: 0, rect: [11,10 400x100] baseline: 60
      TextInputBox <input> at [11,10] inline-block [0+1+2 400 2+1+0] [0+1+1 100 1+1+0] [BFC] children: not-inline
        Box <div> at [11,10] flex-container(row) [0+0+0 400 0+0+0] [0+0+0 100 0+0+0] [FFC] children: not-inline
          BlockContainer <div> at [11,52] flex-item [0+0+0 400 0+0+0] [0+0+0 16 0+0+0] [BFC] children: inline
            frag 0 from TextNode start: 0, length: 0, rect: [211,52 0x16] baseline: 12.796875
            TextNode <#text> (not painted)
          BlockContainer <div> at [11,52] flex-item [-400+0+0 400 0+0+0] [0+0+0 16 0+0+0] [BFC] children: inline
            frag 0 from TextNode start: 0, length: 3, rect: [197.140625,52 27.703125x16] baseline: 12.796875
                "abc"
            TextNode <#text> (not painted)
      TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x120]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x104]
      PaintableWithLines (TextInputBox<INPUT>) [8,8 406x104]
        Paintable (Box<DIV>) [11,10 400x100]
          PaintableWithLines (BlockContainer<DIV>) [11,52 400x16]
          PaintableWithLines (BlockContainer<DIV>) [11,52 400x16]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x120] (z-index: auto)
