anchor.diff:          <h3>Button Group</h3>
           <p></p>
           <%= codify do %>
  +          <div class="btn-group">
  +            <a class="btn" href="#">One</a>
  +            <a class="btn" href="#">Two</a>
  +            <a class="btn" href="#">Three</a>
  +          </div>
           <% end %>
           <h4>Examples</h4>
           <p></p>
  
positive.code:     <h2>Base</h2>
        <div>
          <h3>Button</h3>
        </div>
      <h2>Rich Buttons</h2>
        <div>
          <h3>Primary Button</h3>
          <p></p>
          <%= codify do %>
          <% end %>
          <h4>Examples</h4>
          <p></p>
  
negative.code:         <h3>Icon Link</h3>
          <p></p>
          <%= codify do %>
            <a href=""><i class="icon-refresh"></i> Refresh</a>
          <% end %>
          <h4>Examples</h4>
          <p></p>
  