<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
*{
margin: 0;
padding: 0;
}
#menu{
background-color: blue;
width: 100%;
height: 40px;
}
.item{
float: left;
width: 100px;
height: 40px;
line-height: 40px;
text-align: center;
position: relative;
color: lightblue;
}
.item:hover{
background-color: red;
color: gold;
}
#container{
width: 720px;
margin: auto;
}
.down_menu>div{
background-color: blue;
color: white;
}
.down_menu{
background-color: gold;
display: none;
position: absolute;
}
.item:hover>.down_menu{
display: block;
width: 100px;
height: 40px;
left: 0px;
top: 40px;
}
</style>
</head>
<body>
<div id="menu">
<div id="container">
<div class="item">我的京东
<div class="down_menu">
<div>我的浏览</div>
<div>我的优惠价</div>
</div>
</div>
<div class="item">购物车
<div class="down_menu">
<div>选取商品结算</div>
<div>清空购物车</div>
<div>删除所选的商品</div>
</div>
</div>
<div class="item">我的收藏夹
<div class="down_menu">
<div>收藏的商品</div>
<div>收藏的店铺</div>
</div>
</div>
</div>
</div>
</body>
</html>
