layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x36
  RenderBlock {HTML} at (0,0) size 800x36
    RenderBody {BODY} at (8,8) size 784x20
      RenderBlock {ADDRESS} at (0,0) size 784x20 [bgcolor=#00FF00]
        RenderText {#text} at (0,0) size 354x19
          text run at (0,0) width 354: "This address element should have a green background."
