layer at (0,0) size 800x600
  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x52
  RenderBlock {HTML} at (0,0) size 800x52
    RenderBody {BODY} at (8,8) size 784x36
      RenderBlock {DIV} at (0,0) size 784x18
        RenderText {TEXT} at (0,0) size 154x18
          text run at (0,0) width 154: "This should be unstyled."
      RenderBlock {DIV} at (0,18) size 784x18 [bgcolor=#008000]
        RenderText {TEXT} at (0,0) size 241x18
          text run at (0,0) width 241: "This should have a green background."
