Bootstrap Vertically Stack Pills Examples

First Page
<!DOCTYPE html>
<html>
   <head>
      <title>Bootstrap Example</title>
      <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
      <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
   </head>
   <body>
      <div class="container">
         <h2>Database</h2>
         <p>The following are the database technologies:</p>
         <ul class="nav nav-pills nav-stacked" role="tablist">
            <li class="active"><a href="#">DB2</a></li>
            <li><a href="#">MySQL</a></li>
            <li><a href="#">SQL</a></li>
            <li><a href="#">CouchDB</a></li>
         </ul>
      </div>
   </body>
</html>
Output

First Page