<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"> <div class="panel panel-default"> <div class="panel-heading"> <h2>Search bar</h2> </div> <div class="panel-body"> <div class="input-group"> <input type="text" class="form-control"> <div class="input-group-btn"> <button type"submit" class="btn btn-default">Search</button> </div> </div> </div> </div> </div> </div>