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  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x45
  RenderBlock {HTML} at (0,0) size 800x45
    RenderBody {BODY} at (8,14) size 784x17
      RenderBlock {FORM} at (0,0) size 784x17 [bgcolor=#00FF00]
        RenderBlock {P} at (0,0) size 784x17 [bgcolor=#000000]
          RenderText {TEXT} at (0,0) size 384x17
            text run at (0,0) width 221: "The content of this form should "
            text run at (221,0) width 163: "have a lime background"