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+0 416 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 400 0+0+8] children: inline
      frag 0 from SVGSVGBox start: 0, length: 0, rect: [8,8 400x400] baseline: 400
      SVGSVGBox <svg> at [8,8] [0+0+0 400 0+0+0] [0+0+0 400 0+0+0] [SVG] children: inline
        TextNode <#text> (not painted)
        TextNode <#text> (not painted)
        SVGGeometryBox <rect> at [8,8] [0+0+0 200 0+0+0] [0+0+0 200 0+0+0] children: not-inline
          SVGMaskBox <mask#myMask> at [8,8] [0+0+0 200 0+0+0] [0+0+0 200 0+0+0] children: inline
            TextNode <#text> (not painted)
            SVGGeometryBox <rect> at [8,8] [0+0+0 200 0+0+0] [0+0+0 200 0+0+0] children: not-inline
            TextNode <#text> (not painted)
            SVGGeometryBox <circle> at [26.75,26.75] [0+0+0 162.5 0+0+0] [0+0+0 162.5 0+0+0] children: not-inline
            TextNode <#text> (not painted)
        TextNode <#text> (not painted)
        SVGGeometryBox <rect> at [208,208] [0+0+0 200 0+0+0] [0+0+0 100 0+0+0] children: not-inline
          SVGMaskBox <mask#myMask> at [208,208] [0+0+0 200 0+0+0] [0+0+0 100 0+0+0] children: inline
            TextNode <#text> (not painted)
            SVGGeometryBox <rect> at [208,208] [0+0+0 200 0+0+0] [0+0+0 100 0+0+0] children: not-inline
            TextNode <#text> (not painted)
            SVGGeometryBox <circle> at [226.75,217.375] [0+0+0 162.5 0+0+0] [0+0+0 81.25 0+0+0] children: not-inline
            TextNode <#text> (not painted)
        TextNode <#text> (not painted)
      TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x416]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x400]
      SVGSVGPaintable (SVGSVGBox<svg>) [8,8 400x400]
        SVGPathPaintable (SVGGeometryBox<rect>) [8,8 200x200]
        SVGPathPaintable (SVGGeometryBox<rect>) [208,208 200x100]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x416] [children: 0] (z-index: auto)
