css/css-values/q-unit-case-insensitivity-001.html

<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Values and Units Test: case-insensitivity of Q unit (quarter-millimeter)</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
  <link rel="help" href="https://www.w3.org/TR/css-values-3/#absolute-lengths">
  <link rel="help" href="https://www.w3.org/TR/CSS22/syndata.html#characters">
  <link rel="match" href="../reference/ref-filled-green-100px-square.xht">

  <meta content="This test checks that 'Q' unit is case-insensitive." name="assert">
  <meta name="flags" content="">

  <style>
  div#test-overlapping-green
    {
      background-color: green;
      height: 105.83333Q;
      width: 1px;
      width: 105.83333q;
    }

    /*

    25.4mm == 96px
    Therefore, 26.45833mm == 100px
    So, 26.45833 * 4 (Q per mm) == 105.83333Q == 100px

    */

  div#reference-overlapped-red
    {
      background-color: red;
      bottom: 100px;
      height: 100px;
      position: relative;
      width: 100px;
      z-index: -1;
    }
  </style>

  <p>Test passes if there is a filled green square and <strong>no red</strong>.

  <div id="test-overlapping-green"></div>

  <div id="reference-overlapped-red"></div>