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 82 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 66 0+0+8] children: not-inline
      BlockContainer <(anonymous)> at [8,8] [0+0+0 784 0+0+0] [0+0+0 16 0+0+0] children: inline
        InlineNode <span> at [8,8] [0+0+0 54.796875 0+0+0] [0+0+0 16 0+0+0]
          frag 0 from TextNode start: 0, length: 6, rect: [8,8 54.796875x16] baseline: 12.796875
              "foobar"
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [8,24] [0+0+0 50 0+0+734] [0+0+0 50 0+0+0] children: inline
        GeneratedTextNode <(anonymous)> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x82]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x66]
      PaintableWithLines (BlockContainer(anonymous)) [8,8 784x16]
        InlinePaintable (InlineNode<SPAN>) [8,8 54.796875x16]
      PaintableWithLines (BlockContainer(anonymous)) [8,24 50x50]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x82] (z-index: auto)
