layer at (0,0) size 800x600
  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 [color=#FF0000]
      RenderBlock {P} at (0,0) size 784x17 [color=#008000]
        RenderInline at (0,0) size 179x17
          RenderText at (0,0) size 179x17
            text run at (0,0) width 179: "This text should be green."
