ess.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/feature-detection.js"></script>
<script src="/mathml/support/box-navigation.js"></script>
<style>
  /* Default spacing of operator 'X' is 0.2777777777777778em so quite different
     from the measured/specified 0em and 1em. */
  math, math * {
      font: 25px/1 Ahem;
  }
  mn {
      color: black;
  }
  mtext.space-like {
      color: lightblue !important;
  }
  .testedElement mo {
      color: yellow !im