<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/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"> <a class="btn btn-primary" data-toggle="collapse" href="#Form1" role="button" aria-expanded="false" aria-controls="Form1">Form 1</a> <a class="btn btn-primary" data-toggle="collapse" href="#Form2" role="button" aria-expanded="false" aria-controls="Form2">Form 2</a> <div class="collapse" id="Form1">Form 1 Show</div> <div class="collapsed" id="Form2">Form 2 Show</div> </div>