anchor.diff:      table.not-wide { width: auto; }
       table code { color: black; background-color: inherit; padding: 0; }
       table.table-condensed tbody tr td:first-child { padding-left: 0; }
  -    pre code.hljs { background-color: #f5f5f5; }
       a[href*="github.com"] { white-space: nowrap; }
       a[href*="github.com"]:after { font-family: FontAwesome; content: "\f09b";  display: inline-block;  color: initial;  padding-left: 3px; }
       details :focus { outline: none; }
  
positive.code: </head>
  <body>
  
  <nav class="navbar-wrapper navbar-inverse navbar-fixed-top" role="navigation">
    <div class="container">
      <div class="navbar-header">
        <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-ex1-collapse">
  
negative.code:   <title>Tuttle</title>
    <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
    <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
    <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
    <!--<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/default.min.css" integrity="sha256-Zd1icfZ72UBmsId/mUcagrmN7IN5Qkrvh75ICHIQVTk=" crossorigin="anonymous" /> -->
    <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/github.min.css" integrity="sha256-3YM6A3pH4QFCl9WbSU8oXF5N6W/2ylvW0o2g+Z6TmLQ=" crossorigin="anonymous" />
    <%= content_for(:stylesheets) -%>
    <link rel="icon" href="//s3.amazonaws.com/tuttle-assets/images/favicon.ico">
    <style>
  