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<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>CSS Test: content: counters(c, ".", upper-roman)</title>
  <link rel="author" title="L. David Baron" href="https://dbaron.org/"/>
  <link rel="help" href="http://www.w3.org/TR/CSS21/generate.html#propdef-content"/>
  <link rel="help" href="http://www.w3.org/TR/CSS21/syndata.html#counter"/>
  <link rel="help" href="http://www.w3.org/TR/CSS21/generate.html#counter-styles"/>
  <meta http-equiv="Content-Style-Type" content="text/css"/>
  <style type="text/css">

  body { white-space: nowrap; }


  body, #test span:first-child { counter-reset: c; }
  p, #test span { counter-increment: c; }
  #test span:before { content: counters(c, ".", upper-roman); }

  </style>
 </head>
 <body>

 <p>The following two lines should look the same:</p>

 <div id="test">
   <span></span>
   <span></span>
   <span></span>
   <span></span>
   <span></span>
   <span></span>
   <span></span>
   <span></span>
   <span></span>
   <span></span>
   <span></span>
   <span></span>
   <span style="counter-reset: c 48"></span>
   <span></span>
   <span style="counter-reset: c 388"></span>
   <span></span>
   <span style="counter-reset: c 3488"></span>
   <span></span>
   <span></span>
 </div>

 <div>
   I.I
   I.II
   I.III
   I.IV
   I.V
   I.VI
   I.VII
   I.VIII
   I.IX
   I.X
   I.XI
   I.XII
   I.XLIX
   I.L
   I.CCCLXXXIX
   I.CCCXC
   I.MMMCDLXXXIX
   I.MMMCDXC
   I.MMMCDXCI
 </div>

 </body>
</html>