<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>
<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>
