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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>Example</h2> <p>The .caret class indicates dropdown functionality and direction: <span class="caret"></span></p> <p>The .caret class used on a button:</p> <div class="btn-group"> <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown">Menu <span class="caret"></span></button> <ul class="dropdown-menu" role="menu"> <li><a href="#">A link</a></li> <li><a href="#">Another link</a></li> <li><a href="#">Something else here</a></li> </ul> </div> </div> </body> </html>