layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x124
  RenderBlock {html} at (0,0) size 800x124
    RenderBody {body} at (8,16) size 784x92
      RenderBlock {p} at (0,0) size 784x20 [bgcolor=#00FF00]
        RenderText {#text} at (0,0) size 293x19
          text run at (0,0) width 293: "This paragraph should have a green background."
      RenderBlock {div} at (0,36) size 784x56
        RenderBlock (anonymous) at (0,0) size 784x20
          RenderText {#text} at (0,0) size 224x19
            text run at (0,0) width 224: "This div contains only one paragraph."
        RenderBlock {p} at (0,36) size 784x20
          RenderText {#text} at (0,0) size 209x19
            text run at (0,0) width 209: "This paragraph should be unstyled."