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layer at (0,0) size 800x50
  RenderBlock {HTML} at (0,0) size 800x50
    RenderBody {BODY} at (8,16) size 784x18
      RenderBlock {FORM} at (0,0) size 784x18 [bgcolor=#00FF00]
        RenderBlock {P} at (0,0) size 784x18
          RenderText {#text} at (0,0) size 360x18
            text run at (0,0) width 207: "The content of this form should "
            text run at (206,0) width 154: "have a lime background"