rom pretty-json-->
  <link href="assets/select2/select2.min.css" rel="stylesheet" /> <!--from select 2-->
  <link href="assets/c3js/c3.min.css" rel="stylesheet" type="text/css"> <!--from c3.js-->
</head>
<body class="application">

  <div class="navbar navbar-inverse navbar-fixed-top" role="navigation">
    <div class="container-fluid">
      <div class="navbar-header">
        <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
          <span class=