ding"></i> Button</button>
          <button class="btn btn-mini"><i class="icon-building"></i></button>
        </div>
        <div>
          <button class="btn btn-small">Button</button>
          <button class="btn btn-small"><i class="icon-building"></i> Button</button>
          <button class="btn btn-small"><i class="icon-building"></i></button>
        </div>
        <div>
          <button class="btn">Button</button>
          <button class="btn"><i class="icon-building"></i> Button</button>
      