layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x52
  RenderBlock {HTML} at (0,0) size 800x52
    RenderBody {BODY} at (8,16) size 784x20
      RenderBlock {P} at (0,0) size 784x20 [color=#FFFFFF] [bgcolor=#008000]
        RenderText {#text} at (0,0) size 228x19
          text run at (0,0) width 228: "This should have a green background."