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]
        RenderInline {span} at (0,0) size 104x19
          RenderText {#text} at (0,0) size 104x19
            text run at (0,0) width 104: "This line should "
        RenderText {#text} at (0,0) size 0x0
        RenderInline {span} at (0,0) size 168x19
          RenderText {#text} at (104,0) size 168x19
            text run at (104,0) width 168: "have a green background."
        RenderText {#text} at (0,0) size 0x0