demo.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
  	<title>Segment</title>
  	<link href='http://fonts.googleapis.com/css?family=Lato:400' rel='stylesheet' type='text/css'>
  	<link rel="stylesheet" type="text/css" href="segment.css" />
  </head>
  <body>
  <select class="segment-select">
      <option value="1">None</option>
      <option value="2">First</option>
      <option value="3">Second</option>
  </select>
  <select class="segment-select">
      <option value="1">Yes</option>
      <option value="0">No</option>
  </select>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
  <script type="text/javascript" src="segment.js"></script>
  <script type="text/javascript">
      jQuery(function ($){
           $(".segment-select").Segment();
      });
  </script>
  </body>
</html>