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 [0,0] [0+0+0 800 0+0+0] [0+0+0 56 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [18,18] [8+10+0 764 0+10+8] [8+10+0 20 0+10+8] children: not-inline
      BlockContainer <div#a> at [18,18] [0+0+0 764 0+0+0] [0+0+0 0 150+0+0] children: not-inline
      BlockContainer <(anonymous)> at [18,168] [0+0+0 764 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
      BlockContainer <div#b> at [18,-72] [0+0+0 764 0+0+0] [-240+0+0 92 0+0+0] children: inline
        frag 0 from TextNode start: 0, length: 3, rect: [18,-72 135.78125x92] baseline: 69.984375
            "foo"
        TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [18,20] [0+0+0 764 0+0+0] [0+0+0 18 0+0+0] children: inline
        frag 0 from TextNode start: 1, length: 3, rect: [18,20 27.640625x18] baseline: 13.796875
            "bar"
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x56] overflow: [0,0 800x168]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x40] overflow: [18,18 764x150]
      PaintableWithLines (BlockContainer<DIV>#a) [18,18 764x150]
      PaintableWithLines (BlockContainer(anonymous)) [18,168 764x0]
      PaintableWithLines (BlockContainer<DIV>#b) [18,-72 764x92]
        TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [18,20 764x18]
        TextPaintable (TextNode<#text>)

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x56] [children: 0] (z-index: auto)
