_includes/header.html

  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">

    <!-- Mobile viewport optimized: h5bp.com/viewport -->
    <meta name="viewport" content="width=device-width">

    <link href="https://programminghistorian.org/css/font-awesome-4.7.0/css/font-awesome.min.css" rel="stylesheet">

    <link href='https://programminghistorian.org/feed.xml' rel='alternate' type='application/atom+xml'>

    <meta name="robots" content="Noindex">

    <title>{{ page.title }} | {{ site.name }}</title>

    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
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    <link rel="stylesheet" href="https://programminghistorian.org/css/style.css">

    <script
      src="https://code.jquery.com/jquery-3.2.1.min.js"
      integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4="
      crossorigin="anonymous"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
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    <style>
      article {
          counter-reset: paragraph;
      }

      .content p:after {
           position: absolute;
           right: 0.6em;
           color: #CCC;
           content: "\00b6\00a0" counter(paragraph);
           counter-increment: paragraph;
     }
     </style>

  </head>