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 76 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 60 0+0+8] children: not-inline
      Box <div.grid> at [8,8] [0+0+0 784 0+0+0] [0+0+0 60 0+0+0] [GFC] children: not-inline
        BlockContainer <div#c1> at [8,8] [0+0+0 23 0+0+0] [0+0+0 11 0+0+0] [BFC] children: not-inline
        BlockContainer <div#c2> at [8,8] [0+0+0 52 0+0+0] [0+0+0 24 0+0+0] [BFC] children: not-inline
        BlockContainer <div#c3> at [8,8] [0+0+0 83 0+0+0] [0+0+0 41 0+0+0] [BFC] children: not-inline
        BlockContainer <div#c4> at [8,8] [0+0+0 120 0+0+0] [0+0+0 60 0+0+0] [BFC] children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x76]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x60]
      PaintableBox (Box<DIV>.grid) [8,8 784x60]
        PaintableWithLines (BlockContainer<DIV>#c1) [8,8 23x11]
        PaintableWithLines (BlockContainer<DIV>#c2) [8,8 52x24]
        PaintableWithLines (BlockContainer<DIV>#c3) [8,8 83x41]
        PaintableWithLines (BlockContainer<DIV>#c4) [8,8 120x60]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x76] [children: 0] (z-index: auto)
