<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>fractions linethickness</title>
    <style type="text/css">
      @font-face {
        font-family: TestFont;
        src: url("/fonts/math/fraction-rulethickness10000.woff");
      }
      math {
        /* FractionRuleThickness = 10000 * 1 / 1000 = 10px; */
        font-family: "TestFont";
        font-size: 1px;
      }
    </style>
  </head>
  <body>
    <p>This test passes if you see no fraction bar.</p>
    <math>
      <mfrac linethickness="0px">
        <mspace width="20px" height="10px" style="background: blue"></mspace>
        <mspace width="20px" height="10px" style="background: cyan"></mspace>
      </mfrac>
    </math>
  </body>
</html>
