Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 37 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 21 0+0+8] children: inline
      frag 0 from TextNode start: 0, length: 1, rect: [20.4375,12 8x16] baseline: 12.796875
          " "
      frag 1 from TextNode start: 0, length: 1, rect: [41.171875,12 8x16] baseline: 12.796875
          " "
      InlineNode <span.a> at [8,8] [0+0+0 12.4375 0+0+0] [0+0+0 20 0+0+0]
        frag 0 from TextNode start: 0, length: 1, rect: [8,8 12.4375x20] baseline: 16.140625
            "x"
        TextNode <#text> (not painted)
      TextNode <#text> (not painted)
      InlineNode <span.b> at [28.4375,8] [0+0+0 12.734375 0+0+0] [0+0+0 21 0+0+0]
        frag 0 from TextNode start: 0, length: 1, rect: [28.4375,8 12.734375x21] baseline: 16.796875
            "x"
        TextNode <#text> (not painted)
      TextNode <#text> (not painted)
      InlineNode <span.c> at [49.171875,8] [0+0+0 13.03125 0+0+0] [0+0+0 21 0+0+0]
        frag 0 from TextNode start: 0, length: 1, rect: [49.171875,8 13.03125x21] baseline: 16.953125
            "x"
        TextNode <#text> (not painted)
      TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x37]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x21]
      InlinePaintable (InlineNode<SPAN>.a) [8,8 12.4375x20]
      InlinePaintable (InlineNode<SPAN>.b) [28.4375,8 12.734375x21]
      InlinePaintable (InlineNode<SPAN>.c) [49.171875,8 13.03125x21]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x37] (z-index: auto)
