layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 776x584
      RenderBlock {OL} at (0,0) size 36x584
        RenderListItem {LI} at (0,40) size 36x544
          RenderBlock (anonymous) at (0,0) size 18x544
            RenderListMarker at (0,-20) size 18x16: "1"
            RenderInline {I} at (0,0) size 18x76
              RenderInline {U} at (0,0) size 18x76
                RenderText {#text} at (0,0) size 18x76
                  text run at (0,0) width 76: "Hello world"
            RenderText {#text} at (0,0) size 0x0
          RenderBlock {OL} at (18,0) size 18x544
            RenderListItem {LI} at (0,40) size 18x504
              RenderListMarker at (0,-20) size 18x16: "1"
              RenderText {#text} at (0,0) size 18x59
                text run at (0,0) width 59: "Goodbye"