class="btn">Badge button <span class="badge">1</span></button>
      <button class="btn btn-primary">Badge button <span class="badge badge-primary">1</span></button>
      <button class="btn btn-positive">Badge button <span class="badge badge-positive">1</span></button>
      <button class="btn btn-negative">Badge button <span class="badge badge-negative">1</span></button>
    </div>

{% highlight html %}
<button class="btn">Badge button <span class="badge">1</span></button>
<button class="btn btn-primary">