css/CSS2/values/units-009.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
 <head>
  <title>CSS Test: Units: px and dependent font-size</title>
  <link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch"/>
  <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-06-30 -->
  <link rel="alternate" href="http://www.hixie.ch/tests/adhoc/css/units/009.html" type="text/html"/>
  <link rel="help" href="http://www.w3.org/TR/CSS21/syndata.html#length-units" />
  <link rel="help" href="https://www.w3.org/TR/css-values-3/#font-relative-lengths" />

  <link rel="match" href="units-006-ref.xht" />

  <meta name="flags" content="ahem" />

  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
  <style type="text/css">
    div { margin: 4px 0; }
   .border { border-top: solid 20px blue; width: 600px; }
   .font { font: 10px/1 Ahem; color: blue; }
   .inner { font-size: 2em; }
  </style>
 </head>
 <body>

  <p>Test passes if the 2 blue bars have the <strong>same width</strong>.</p>

  <div class="border"></div>
  <div class="font"><div class="inner">xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx</div></div>

 </body>
</html>