anchor.diff: -<% @side_nav = "validation" %>
  +<% @side_nav = "js" %>
   
   <div class="row">
     <div class="large-9 push-3 columns">
  
positive.code: ', :html %>
          
          <p>In the above example we have wrapped our input in a <code>div</code>. This div will receive an <code>error</code> class when the input is invalid. This class will show our error message and style the label and input accordingly.</p>
        </div>
      </div>
  
  
negative.code: </form>
  ', :html %>
  
      <div class="row">
        <div class="large-12 columns">
          <hr>
        </div>
      </div>
  
          <h3>Predefined patterns</h3>
  
          <p>Abide has several patterns common validation patterns built into the library:</p>
  