layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (0,0) size 800x600
      RenderSVGRoot {svg} at (0,0) size 250x100
        RenderSVGForeignObject {foreignObject} at (0,0) size 100x100
          RenderBlock {DIV} at (0,0) size 100x100 [bgcolor=#008000]
        RenderSVGForeignObject {foreignObject} at (150,0) size 100x100
          RenderBlock {DIV} at (0,0) size 100x100 [bgcolor=#008000]
      RenderText {#text} at (0,0) size 0x0