layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x72
  RenderBlock {HTML} at (0,0) size 800x72
    RenderBody {BODY} at (8,16) size 784x40
      RenderBlock {P} at (0,0) size 784x40
        RenderText {#text} at (0,0) size 768x39
          text run at (0,0) width 768: "Any textual selection in this long paragraph should have green background. Any textual selection in this long paragraph"
          text run at (0,20) width 688: "should have green background. Any textual selection in this long paragraph should have green background."
