anchor.diff:        <div>
           <h3>Confirmable Button</h3>
           <p></p>
  -        <%= codify do %>
  +          <em>Inactive</em>
  +        <%= codify do %>
  +          <a class="btn btn-primary" href="">Delete</a>
  +        <% end %>
  +          <em>Active</em>
  +        <%= codify do %>
  +          <a class="btn btn-danger" href="">Delete</a><a class="btn btn-success" href="">Cancel</a>
           <% end %>
           <h4>Examples</h4>
           <p></p>
  
positive.code:         <h3>Icon Button</h3>
          <p></p>
          <%= codify do %>
          <% end %>
          <h4>Examples</h4>
          <p></p>
  
negative.code:         <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>
  