<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<script src="//ajax.aspnetcdn.com/ajax/jquery.validate/1.9/jquery.validate.min.js"></script>
<div class="row">
<div class="col-md-6">
</div>
<div class="col-md-6">
<form class="form-horizontal" id="register" name="register">
<fieldset>
<h3 align="center">Registration with form Validation</h3>
<div class="form-group">
<label class="col-md-4 control-label" for="firstname">First Name</label>
<div class="col-md-6">
<input id="firstname" name="firstname" type="text" placeholder="First Name" class="form-control input-md">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="lastname">Last Name</label>
<div class="col-md-6">
<input id="lastname" name="lastname" type="text" placeholder="Last Name" class="form-control input-md">
</div>
</div>