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  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x70
  RenderBlock {HTML} at (0,0) size 800x70
    RenderBody {BODY} at (8,8) size 784x49
      RenderBlock {PRE} at (0,0) size 304x49 [border: (2px solid #008000)]
        RenderText {TEXT} at (2,17) size 96x30
          text run at (2,17) width 88: "This should"
          text run at (2,32) width 96: "not justify."
