t: 1.8em;
      width: 5ch;
    }

  div#reference-orange
    {
      background-color: orange;
      color: orange;
      float: left;
      line-height: 1.8; /* arbitrary line-height */
    }
  </style>

  <p>Test passes if there is a blue rectangle with the <strong>same width</strong> as an orange rectangle.

  <div id="test-blue"></div>

  <div id="reference-orange">00000</div>
