trycss_dropdown_image 在线代码实例

 <h2>下拉图片</h2>
    <p>移动鼠标到图片上显示下拉内容。</p>
    
    <div class="dropdown">
      <img src="/upload2/statics/images/w3c/intro.png" alt="Trolltunga Norway" width="100" height="50">
      <div class="dropdown-content">
        <img src="/upload2/statics/images/w3c/intro.png" alt="Trolltunga Norway" width="400" height="200">
        <div class="desc">学技术，从W3Cschool开始！</div>
      </div>
    </div>