The following code creates a basic drop down as shown below
<html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> <script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <div class="dropdown"> <button class="btn btn-primary dropdown-toggle" type="button" data-toggle="dropdown">Dropdown Menu <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="#">Menu item 1</a></li> <li><a href="#">Menu item 2</a></li> <li><a href="#">Menu item 3</a></li> </ul> </div> </div> </body> </html>