dd a required marker by adding the class <span class="label label-primary">.input-required</span> to the form group element and an empty span element following the input field.</p>
				<div class="row">
					<div class="col-md-5">
						<div class="form-group input-required">
							<input type="text" class="form-control" required placeholder="The Walrus, The Ranger, etc."><span></span>
						</div>
					</div>
				</div>

<pre class="prettyprint">
&lt;div class="form-group input-required"&gt
   &lt;input t