<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row"> <h2>Create your snippet's HTML, CSS and Javascript in the editor tabs</h2> </div> <!-- Button trigger modal --> <button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal"> Launch demo modal </button> <!-- Modal --> <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> <h4 class="modal-title" id="myModalLabel">参与的项目</h4> </div> <div class="modal-body"> <div class="panel-group" role="tablist"> <div class="panel panel-default"> <div class="panel-heading" role="tab" id="collapseListGroupHeading1"> <h4 class="panel-title"> <a class="collapsed" role="button" data-toggle="collapse" href="#collapseListGroup1" aria-expanded="false" aria-controls="collapseListGroup1"> Collapsible list group </a> </h4> </div> <div id="collapseListGroup1" class="panel-collapse collapse" role="tabpanel" aria-labelledby="collapseListGroupHeading1" aria-expanded="false" style="height: 0px;"> <ul class="list-group"> <li class="list-group-item">Bootply</li> <li class="list-group-item">One itmus ac facilin</li> <li class="list-group-item">Second eros</li> </ul> <div class="panel-footer">Footer</div> </div> </div> </div> </div> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button> </div> </div> </div> </div> </div>