<link href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<form class="form-horizontal" action='' method="POST">
<fieldset>
<div id="legend">
<legend class="">Register</legend>
</div>
<div class="control-group">
<label class="control-label" for="username">Username</label>
<div class="controls">
<input type="text" id="username" name="username" placeholder="" class="input-xlarge">
<p class="help-block">Username can contain any letters or numbers, without spaces</p>
</div>
</div>
<div class="control-group">
<label class="control-label" for="email">E-mail</label>
<div class="controls">
<input type="text" id="email" name="email" placeholder="" class="input-xlarge">
<p class="help-block">Please provide your E-mail</p>
</div>
</div>
<div class="control-group">
<label class="control-label" for="password">Password</label>
<div class="controls">
<input type="password" id="password" name="password" placeholder="" class="input-xlarge">
<p class="help-block">Password should be at least 4 characters</p>
</div>
</div>
