css 下啦菜单，审批

摘要：*{margin: 0px;padding: 0px;}a{text-decoration: none;color: black;font-size:13px;}li{list-style: none;}.header{width: 100%;height: 40px;background-color: #F5F5F5}.header_content{width:1200px;height: 40

*{margin: 0px;padding: 0px;}

a{text-decoration: none;color: black;font-size:13px;}

li{list-style: none;}

.header{width: 100%;height: 40px;background-color: #F5F5F5}

.header_content{width:1200px;height: 40px;margin: 0px auto;line-height: 40px;}

.header_left{height: 40px;float: left;}

.header_right{width: 600px;height: 40px;float: right;}

.clear{clear: both;}

.header_left a{margin-right: 5px;}

.header_content a:hover{color:#FF5000;}

.header_a{display: inline-block;height: 40px;width: 90px;text-align: center;position: relative;}

.header_a:hover{color: #FF5000;}

.header_a ul{border: 1px solid #F5F5F5;display: none;position: absolute;}

老师，审批了

批改老师：天蓬老师批改时间：2018-12-15 12:56:25
老师总结：你的下拉菜单呢? 不能只有css