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layer at (0,0) size 800x50
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    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 305x18
            text run at (0,0) width 305: "The paragraph should have a green background."