<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<div class="row">
<div class="col-sm-6 col-xs-6">
<div class="alert alert-danger">
<h4>Error</h4><p>
Your security answers do not match, Please try again.
</p>
<hr class="message-inner-separator">
<a class="caption-helper btn btn-round" href="/retrieve-password.php">Click here to start again</a>
</div>
</div>
</div>
</div>