ight: 3em;
  width: 10em;
  }

  div#test
  {
  column-fill: auto;
  column-gap: 0;
  column-width: 2em;

  /*

  N == 5;

  W == 2em;

  */
  }

  div#test > div {break-after: column;}

  img {vertical-align: top;}
  ]]></style>
 </head>
 <body>

  <p>Test passes if the 2 horizontal bars are <strong>identical</strong>.</p>

  <div id="test">
      <div>A</div>
      <div>B</div>
      <div>C</div>
  </div>

  <div id="reference"><img src="support/black20x20.png" alt="Image download support must be enabled"