纯css下拉

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>css下拉</title>
<style>
body,ul,li{ margin:0; padding:0;}
.box{ width:400px; margin:50px auto;}
.box li{ list-style:none; cursor:pointer;}
.box ul{ float:left; width:100px; margin-right:10px; text-align:center; height:30px; line-height:30px; background:#999;}
.box ul li ul{ display:none; width:100px; text-align:center; }
.box li ul li{  background:#CCC;  height:30px; line-height:30px;}
.box li:hover ul{ display:block;}
</style>
</head>

<body>
<div class="box">
      <ul>
          <li id="box1"><a href="#" target="_blank">平面设计</a>
              <ul id="list_1">
                  <li><a href="#" target="_blank">平面设计</a></li>
                  <li><a href="#" target="_blank">平面设计</a></li>
                  <li><a href="#" target="_blank">平面设计</a></li>
                  <li><a href="#" target="_blank">平面设计</a></li>
              </ul>
          </li>
      </ul>
       <ul>
          <li id="box2"><a href="#" target="_blank">平面设计</a>
              <ul id="list_2">
                  <li><a href="#" target="_blank">平面设计</a></li>
                  <li><a href="#" target="_blank">平面设计</a></li>
                  <li><a href="#" target="_blank">平面设计</a></li>
                  <li><a href="#" target="_blank">平面设计</a></li>
              </ul>
          </li>
      </ul>
       <ul>
          <li id="box3"><a href="#" target="_blank">平面设计</a>
              <ul id="list_3">
                  <li><a href="#" target="_blank">平面设计</a></li>
                  <li><a href="#" target="_blank">平面设计</a></li>
                  <li><a href="#" target="_blank">平面设计</a></li>
                  <li><a href="#" target="_blank">平面设计</a></li>
              </ul>
          </li>
      </ul>
      
</div>
</body>
</html>

posted @ 2018-01-10 09:08  南瓜小园  阅读(89)  评论(0)    收藏  举报