layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x76
  RenderBlock {HTML} at (0,0) size 800x76
    RenderBody {BODY} at (8,16) size 784x52
      RenderBlock {P} at (0,0) size 784x18 [bgcolor=#00FF00]
        RenderText {#text} at (0,0) size 494x19
          text run at (0,0) width 494: "This paragraph should have green background because its language is \"en-gb\""
      RenderBlock {ADDRESS} at (0,34) size 784x18 [bgcolor=#00FF00]
        RenderInline {SPAN} at (0,0) size 156x19
          RenderText {#text} at (0,0) size 156x19
            text run at (0,0) width 156: "This address should also"
        RenderText {#text} at (156,0) size 4x19
          text run at (156,0) width 4: " "
        RenderInline {SPAN} at (0,0) size 508x19
          RenderText {#text} at (160,0) size 508x19
            text run at (160,0) width 420: "have green background because the language of the inner SPANs "
            text run at (580,0) width 88: "is not French."
        RenderText {#text} at (0,0) size 0x0