* {
margin: 0;
padding: 0;
}
li {
list-style: none;
}
a {
text-decoration: none;
}
.wrapper {
width: 100%;
height: 40px;
background-color: black;
}
.nav {
width: 700px;
margin: 0 auto;
}
.wrapper .nav>li {
display: inline-block;
float: left;
}
.nav li {
width: 100px;
height: 38px;
margin: 0 auto;
line-height: 38px;
text-align: center;
}
.nav li a {
color: white;
}
.nav li:hover {
background-color: lightpink;
}
.nav>li:hover>a {
color: gray;
}
.subnav {
background-color: black;
display: none; <!--二级列表隐藏-->
position: relative;
}
.subnav>li a {
color: white;
}
.subnav>li:hover>a {
color: gray;
}
.nav>li:hover .subnav {
display: block; <!--二级列表显示-->
}
.subnav .aa {
background-color: green;
position: absolute;
left: 100px;
top: 3px ;
display: none; <!--三级列表隐藏-->
position: relative;
height: 148px;
}
.subnav .aa li {
width: 100px;
}
.nav .subnav li:nth-of-type(1):hover .aa {
display: block; <!--三级列表显示-->
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>三级列表</title>
<link rel="stylesheet" href="./css/common.css">
<style>
</style>
</head>
<body>
<div class="wrapper">
<ul class="nav">
<li><a href="#">首页</a>
<ul class="subnav">
<li><a>我的账号</a>
<ul class="aa">
<li><a>张三522</a></li>
<li><a>张三522</a></li>
<li><a>张三522</a></li>
<li><a>张三522</a></li>
</ul>
</li>
<li><a>我的现金</a></li>
<li><a>修改密码</a></li>
<li><a>更改设置</a></li>
</ul>
</li>
<li><a href="#">极速免税店</a></li>
<li><a href="#">母婴特卖</a></li><!---->
<li><a href="#">美妆商城</a></li>
<li><a href="#">国际轻奢</a></li>
<li><a href="#">品牌专场</a></li>
<li><a href="#">合作招商</a></li>
</ul>
</div>
</body>
</html>