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+0 100 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [0,0] [0+0+0 800 0+0+0] [0+0+0 100 0+0+0] children: not-inline
      BlockContainer <div.container> at [0,0] [0+0+0 760 0+0+40] [0+0+0 100 0+0+0] children: not-inline
        BlockContainer <div.left.first-left> at [0,0] floating [0+0+0 300 0+0+0] [0+0+0 40 0+0+0] [BFC] children: not-inline
        BlockContainer <div.right.first-right> at [310,0] floating [0+0+0 450 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline
        BlockContainer <div.left.second-left> at [0,50] floating [0+0+0 400 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline
        BlockContainer <div.left.third-left> at [400,50] floating [0+0+0 30 0+0+0] [0+0+0 20 0+0+0] [BFC] children: not-inline
        BlockContainer <div.clear> at [0,100] [0+0+0 760 0+0+0] [0+0+0 0 0+0+0] children: not-inline
      BlockContainer <(anonymous)> at [0,100] [0+0+0 800 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 800x100]
    PaintableWithLines (BlockContainer<BODY>) [0,0 800x100]
      PaintableWithLines (BlockContainer<DIV>.container) [0,0 760x100]
        PaintableWithLines (BlockContainer<DIV>.left.first-left) [0,0 300x40]
        PaintableWithLines (BlockContainer<DIV>.right.first-right) [310,0 450x50]
        PaintableWithLines (BlockContainer<DIV>.left.second-left) [0,50 400x50]
        PaintableWithLines (BlockContainer<DIV>.left.third-left) [400,50 30x20]
        PaintableWithLines (BlockContainer<DIV>.clear) [0,100 760x0]
      PaintableWithLines (BlockContainer(anonymous)) [0,100 800x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x100] [children: 0] (z-index: auto)
