el="stylesheet" href="test_img_files/reveal.js-3.3.0.1/css/reveal.css"/>



<link rel="stylesheet" href="test_img_files/reveal.js-3.3.0.1/css/theme/sky.css" id="theme">


  <!-- some tweaks to reveal css -->
  <style type="text/css">
    .reveal h1 { font-size: 2.0em; }
    .reveal h2 { font-size: 1.5em;  }
    .reveal h3 { font-size: 1.25em;	}
    .reveal h4 { font-size: 1em;	}

    .reveal .slides>section,
    .reveal .slides>section>section {
      padding: 0px 0px;
    }



    .reveal table {
      bor