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+0 118 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [9,9] [8+1+0 100 0+1+690] [8+1+0 100 0+1+8] children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x118]
    PaintableWithLines (BlockContainer<BODY>) [8,8 102x102]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x118] [children: 1] (z-index: auto)
  SC for BlockContainer<BODY> [9,9 100x100] [children: 0] (z-index: auto), transform: [1 0 0 1 50 100]
