layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x334
  RenderBlock {HTML} at (0,0) size 800x334
    RenderBody {BODY} at (8,16) size 784x310
      RenderBlock {P} at (0,0) size 784x18
        RenderText {#text} at (0,0) size 227x18
          text run at (0,0) width 227: "There should be a green box below."
      RenderBlock {DIV} at (0,34) size 186x276 [color=#008000] [bgcolor=#FF0000] [border: (3px solid #000000)]
        RenderBlock {DIV} at (48,18) size 90x75
          RenderBlock {P} at (0,0) size 90x75
            RenderText {#text} at (0,0) size 75x75
              text run at (0,0) width 75: "x x x"
              text run at (0,15) width 75: "x x x"
              text run at (0,30) width 75: "x x x"
              text run at (0,45) width 75: "x x x"
              text run at (0,60) width 75: "x x x"
        RenderBlock {DIV} at (93,108) size 90x75
          RenderBlock {P} at (0,0) size 90x75
            RenderText {#text} at (0,0) size 75x75
              text run at (0,0) width 75: "x x x"
              text run at (0,15) width 75: "x x x"
              text run at (0,30) width 75: "x x x"
              text run at (0,45) width 75: "x x x"
              text run at (0,60) width 75: "x x x"
        RenderBlock {P} at (48,198) size 135x60
          RenderText {#text} at (0,0) size 135x60
            text run at (0,0) width 135: "x x x x x"
            text run at (0,15) width 135: "x x x x x"
            text run at (0,30) width 135: "x x x x x"
            text run at (0,45) width 135: "x x x x x"