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+0 144 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 128 0+0+664] [8+0+0 128 0+0+8] children: not-inline
      SVGSVGBox <svg> at [8,8] [0+0+0 64 0+0+64] [0+0+0 64 0+0+0] [SVG] children: not-inline
        SVGGeometryBox <rect> at [8,8] [0+0+0 64 0+0+0] [0+0+0 64 0+0+0] children: not-inline
      BlockContainer <(anonymous)> at [8,72] [0+0+0 128 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 800x144]
    PaintableWithLines (BlockContainer<BODY>) [8,8 128x128]
      SVGSVGPaintable (SVGSVGBox<svg>) [8,8 64x64]
        SVGPathPaintable (SVGGeometryBox<rect>) [8,8 64x64]
      PaintableWithLines (BlockContainer(anonymous)) [8,72 128x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x144] [children: 0] (z-index: auto)
