Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] children: not-inline
  BlockContainer <html> at [1,1] [0+1+0 798 0+1+0] [0+1+0 122 0+1+0] [BFC] children: inline
    frag 0 from BlockContainer start: 0, length: 0, rect: [2,2 168.96875x120] baseline: 16.796875
    BlockContainer <body> at [2,2] inline-block [0+1+0 168.96875 0+1+0] [0+1+0 120 0+1+0] [BFC] children: not-inline
      BlockContainer <div.hmm> at [3,3] [0+1+0 166.96875 0+1+0] [0+1+0 18 0+1+100] children: inline
        frag 0 from TextNode start: 0, length: 21, rect: [3,3 166.96875x18] baseline: 13.796875
            "suspiciously tall box"
        TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [2,122] [0+0+0 168.96875 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x124]
    PaintableWithLines (BlockContainer<BODY>) [1,1 170.96875x122]
      PaintableWithLines (BlockContainer<DIV>.hmm) [2,2 168.96875x20]
        TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [2,122 168.96875x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [1,1 798x122] [children: 0] (z-index: auto)
