    </div>
    </div>

    <div>
      <p class="demo-desc">banner位</p>
      <div class="ui-img-banner">
        <span style="background-image:url(http://placeholder.qiniudn.com/750x400)"></span>
      </div>
    </div>

    <div>
        <p class="demo-desc">cover位</p>
        <div class="ui-img-cover">
          <span style="background-image:url(http://placeholder.qiniudn.com/750x232)"></span>
        </div>
    </div>
    <div class="demo-item">
      <p class="demo-desc">横排图标网格</p>
    