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<!DOCTYPE html> <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="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>Dropdowns</h2> <p>The .active class adds a blue background color to the active link.</p> <p>The .disabled class disables a dropdown item (grey text color).</p> <div class="dropdown"> <button class="btn btn-default dropdown-toggle" type="button" data-toggle="dropdown">Tutorials <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="#">Normal</a></li> <li class="disabled"><a href="#">Disabled</a></li> <li class="active"><a href="#">Active</a></li> <li><a href="#">Normal</a></li> </ul> </div> </div> </body> </html>
