			<input type="text" class="form-control" placeholder="Username">
						</div>
					</div>
				</div>

<pre class="prettyprint">
&lt;div class="form-group input-icon"&gt
   &lt;span class="fa fa-user"&gt&lt;/span&gt
   &lt;input type="text" class="form-control" placeholder="Username"&gt
&lt;/div&gt
</pre>
			</div>

			<div class="doc-section">
				<p>and the error state use the same classes as well.</p>
				<div class="row">
					<div class="col-md-5">
						<div class="form-group has-warning">
							<in