<html>
  <head>
    <link href="/css/c3.css" rel="stylesheet" type="text/css">
  </head>
  <body>
    <div id="chart"></div>

    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
    <script src="/js/c3.js"></script>
    <script>
      var chart = c3.generate({
        data: {
          columns: [
            ['data1', 1030, 1200, 1100, 1400, 1150, 1250],
            ['data2', 2130, 2100, 2140, 2200, 2150, 1850]
          ],
          type: 'bar',
        },
        bar: {
          zerobased: false
        }
      });
    </script>
  </body>
</html>
