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+0 126 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 110 0+0+8] children: not-inline
      BlockContainer <div> at [8,8] [0+0+0 784 0+0+0] [0+0+0 55 0+0+0] children: inline
        frag 0 from TextNode start: 0, length: 5, rect: [8,8 121.359375x55] baseline: 41.890625
            "12345"
        TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [8,63] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
      BlockContainer <div> at [8,63] [0+0+0 784 0+0+0] [0+0+0 55 0+0+0] children: inline
        frag 0 from TextNode start: 0, length: 1, rect: [122.0625,63 28.03125x55] baseline: 41.890625
            "a"
        BlockContainer <span> at [8,63] floating [0+0+0 114.0625 0+0+0] [0+0+0 55 0+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 2, rect: [8,63 114.0625x55] baseline: 41.890625
              "aa"
          TextNode <#text> (not painted)
        TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [8,118] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x126]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x110]
      PaintableWithLines (BlockContainer<DIV>) [8,8 784x55]
        TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [8,63 784x0]
      PaintableWithLines (BlockContainer<DIV>) [8,63 784x55]
        PaintableWithLines (BlockContainer<SPAN>) [8,63 114.0625x55]
          TextPaintable (TextNode<#text>)
        TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [8,118 784x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x126] [children: 0] (z-index: auto)
