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 52 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [0,0] [0+0+0 800 0+0+0] [0+0+0 52 0+0+0] children: inline
      frag 0 from BlockContainer start: 0, length: 0, rect: [1,1 40x50] baseline: 52
      BlockContainer <div> at [1,1] inline-block [0+1+0 40 0+1+0] [0+1+0 50 0+1+0] [BFC] children: not-inline
        BlockContainer <(anonymous)> at [1,1] [0+0+0 40 0+0+0] [0+0+0 0 0+0+0] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div> at [1,1] [0+0+0 40 0+0+0] [0+0+0 20 0+0+30] children: not-inline
        BlockContainer <(anonymous)> at [1,51] [0+0+0 40 0+0+0] [0+0+0 0 0+0+0] children: inline
          TextNode <#text> (not painted)
      TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x52]
    PaintableWithLines (BlockContainer<BODY>) [0,0 800x52]
      PaintableWithLines (BlockContainer<DIV>) [0,0 42x52]
        PaintableWithLines (BlockContainer(anonymous)) [1,1 40x0]
        PaintableWithLines (BlockContainer<DIV>) [1,1 40x20]
        PaintableWithLines (BlockContainer(anonymous)) [1,51 40x0]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x52] (z-index: auto)
