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 66 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 50 0+0+8] children: not-inline
      BlockContainer <div.box> at [8,58] positioned [0+0+0 784 0+0+0] [0+0+50 0 0+0+0] children: not-inline
        BlockContainer <div.inner> at [8,58] positioned [0+0+0 784 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x66] overflow: [0,0 800x108]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x50] overflow: [8,8 784x100]
      PaintableWithLines (BlockContainer<DIV>.box) [8,8 784x50] overflow: [8,8 784x100]
        PaintableWithLines (BlockContainer<DIV>.inner) [8,58 784x50]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x66] [children: 0] (z-index: auto)
