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 36 0+0+0] [BFC] children: inline
    TextNode <#text> (not painted)
    BlockContainer <body> at [8,8] floating [8+0+0 20 0+0+8] [8+0+0 20 0+0+8] [BFC] children: not-inline
      BlockContainer <(anonymous)> at [8,8] [0+0+0 20 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
      Box <div.grid> at [8,8] [0+0+0 20 0+0+0] [0+0+0 20 0+0+0] [GFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.whee> at [9,9] [0+1+0 18 0+1+0] [0+1+0 18 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 4, rect: [9,9 37.953125x18] baseline: 13.796875
              "whee"
          TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x36]
    PaintableWithLines (BlockContainer<BODY>) [8,8 20x20] overflow: [8,8 38.953125x20]
      PaintableWithLines (BlockContainer(anonymous)) [8,8 20x0]
      PaintableBox (Box<DIV>.grid) [8,8 20x20] overflow: [8,8 38.953125x20]
        PaintableWithLines (BlockContainer<DIV>.whee) [8,8 20x20] overflow: [9,9 37.953125x18]
          TextPaintable (TextNode<#text>)

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x36] [children: 0] (z-index: auto)
