Edit This Code:
See Result >>
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>Collapsible List Group</h2> <div class="panel-group"> <div class="panel panel-default"> <div class="panel-heading"> <h4 class="panel-title"> <a href="#text1" data-toggle="collapse"> Collapsible list group </a> </h4> </div> <div id="text1" class="panel-collapse collapse"> <ul class="list-group"> <li class="list-group-item">1st list</li> <li class="list-group-item">2nd list</li> <li class="list-group-item">3rd list</li> </ul> <div class="panel-footer">Panel footer</div> </div> </div> </div> </div> </body> </html>
Result: