layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x96
  RenderBlock {HTML} at (0,0) size 800x96
    RenderBody {BODY} at (8,16) size 784x72
      RenderBlock {P} at (0,0) size 784x20
        RenderText {#text} at (0,0) size 185x19
          text run at (0,0) width 185: "There should be no red below."
      RenderBlock {DIV} at (0,52) size 784x20 [bgcolor=#FF0000]
        RenderBlock {DIV} at (0,0) size 784x20
          RenderBlock {DIV} at (0,0) size 784x20
            RenderBlock {DIV} at (0,0) size 784x20 [color=#FFFFFF] [bgcolor=#008000]
              RenderText {#text} at (0,0) size 152x19
                text run at (0,0) width 152: "This line should be green."