title: Changing input element color
body: <p>I'm trying to figure out the form structure of twitter bootstrap. I want to change to a specific validation state <a href="http://getbootstrap.com/css/#forms-control-states" rel="nofollow">http://getbootstrap.com/css/#forms-control-states</a> (scroll down a little bit) I have this form:</p>
  
  <pre><code>&lt;form class="form-signin" id="registerForm"&gt;
     &lt;input class="form-control input-sm" type="email" placeholder="E-mail"&gt;
     &lt;input class="form-control input-sm" type="text" maxlength="30" placeholder="Username (6-30 characters)"&gt;
     &lt;input class="form-control input-sm" type="password" maxlength="30" placeholder="Password (6-30 characters)"&gt;
     &lt;button id="registerButton" class="btn-small"&gt;&lt;b&gt;Register&lt;/b&gt;&lt;/button&gt;
  &lt;/form&gt;
  </code></pre>
  
  <p>What attribute should i alter to be able to get a specific validation color on an inputfield?</p>