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 88 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,16] [8+0+0 784 0+0+8] [8+0+0 64 0+0+8] children: not-inline
      BlockContainer <p> at [8,16] [0+0+0 784 0+0+0] [16+0+0 16 0+0+16] children: inline
        frag 0 from TextNode start: 0, length: 36, rect: [18.625,16 300x16] baseline: 12.796875
            "P should generate a ::before pseudo."
        InlineNode <(anonymous)> at [8,16] [0+0+0 10.625 0+0+0] [0+0+0 16 0+0+0]
          frag 0 from GeneratedTextNode start: 0, length: 1, rect: [8,16 10.625x16] baseline: 12.796875
              "+"
          GeneratedTextNode <(anonymous)> (not painted)
        TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [8,48] [0+0+0 784 0+0+0] [0+0+0 32 0+0+0] children: inline
        frag 0 from TextNode start: 0, length: 14, rect: [8,64 120.578125x16] baseline: 12.796875
            "BR should not!"
        BreakNode <br> (not painted)
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x88]
    PaintableWithLines (BlockContainer<BODY>) [8,16 784x64]
      PaintableWithLines (BlockContainer<P>) [8,16 784x16]
        InlinePaintable (InlineNode(anonymous)) [8,16 10.625x16]
      PaintableWithLines (BlockContainer(anonymous)) [8,48 784x32]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x88] (z-index: auto)
