fix

<div style="width:960px; margin:50px auto 40px auto; height:583px; overflow: hidden;" class="shadow">

  <video width="960" height="583" autoplay="autoplay" loop>

    <source src="/fnordmetric-server.mp4" type="video/mp4">

    <source src="/fnordmetric-server.webm" type="video/webm">

    <script type="text/javascript">

      if (!(navigator.userAgent.search("Safari") >= 0 && navigator.userAgent.search("Chrome") < 0)) {

        document.write('<source src="/fnordmetric-server.webm" type="video/webm">');

      }

    </script>

    <img src="/img/fnordmetric_server_screen.png" width="875" />

  </video>

</div>