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 [1,1] [0+1+0 798 0+1+0] [0+1+0 122 0+1+0] [BFC] children: not-inline
    BlockContainer <body> at [10,10] [8+1+0 780 0+1+8] [8+1+0 104 0+1+8] children: not-inline
      Box <div.grid> at [11,11] [0+1+0 778 0+1+0] [0+1+0 102 0+1+0] [GFC] children: not-inline
        BlockContainer <div.float-left> at [12,12] floating [0+1+0 100 0+1+0] [0+1+0 100 0+1+0] [BFC] children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x124]
    PaintableWithLines (BlockContainer<BODY>) [9,9 782x106]
      PaintableBox (Box<DIV>.grid) [10,10 780x104]
        PaintableWithLines (BlockContainer<DIV>.float-left) [11,11 102x102]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [1,1 798x122] [children: 0] (z-index: auto)
