<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="container">
<div class="row">
<h2 id="treeTitle">Pine</h2>
<button id="tree" class="btn btn-primary btn-lg btn-block" >Tree</button>
<br>
<h2 id="flowerTitle">Daisy</h2>
<button id="flower" class="btn btn-danger btn-lg btn-block" >Flower</button>
</div>
</div>
