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 16 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 0 0+0+8] children: inline
      TextNode <#text> (not painted)
  BlockContainer <(anonymous)> at [0,0] positioned [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
  BlockContainer <dialog#dialog> at [196.671875,275] positioned [177.671875+3+16 406.65625 16+3+177.671875] [256+3+16 50 16+3+256] [BFC] children: not-inline
    BlockContainer <p> at [196.671875,291] [0+0+0 406.65625 0+0+0] [16+0+0 18 0+0+16] children: inline
      frag 0 from TextNode start: 0, length: 50, rect: [196.671875,291 406.65625x18] baseline: 13.796875
          "Dialog's layout node should be a child of viewport"
      TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x16]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x0]
  PaintableWithLines (BlockContainer(anonymous)) [0,0 800x600]
  PaintableWithLines (BlockContainer<DIALOG>#dialog) [177.671875,256 444.65625x88]
    PaintableWithLines (BlockContainer<P>) [196.671875,291 406.65625x18]
      TextPaintable (TextNode<#text>)

SC for Viewport<#document> [0,0 800x600] [children: 3] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x16] [children: 0] (z-index: auto)
 SC for BlockContainer(anonymous) [0,0 800x600] [children: 0] (z-index: auto)
 SC for BlockContainer<DIALOG>#dialog [196.671875,275 406.65625x50] [children: 0] (z-index: auto)
