<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="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="row">
<h2>Create your snippet's HTML, CSS and Javascript in the editor tabs</h2>
</div>
<div class="row">
<div class="col-lg-2">
<label>Name</label>
</div>
<div class="col-lg-4">
<div class="form-group">
<input id="name" type="text" class="form-control" />
</div>
</div>
</div>
<div class="row">
<div class="col-lg-2">
<label>Address</label>
</div>
<div class="col-lg-4">
<div class="form-group">
<input id="addr" type="text" class="form-control" />
</div>
</div>
</div>
<div class="row">
<div class="col-lg-2 col-lg-offset-2">
<button id="addBtn" class="addBtn form-control btn btn-primary">
Add to Row
</button>
</div>
</div>
<br>