<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>相对定位实现波浪效果</title>
<style>
*{
margin:0;
padding:0;
}
li{
list-style: none;
}
a{
text-decoration: none;
}
ul{
width: 200px;
height: 240=6px;
margin-top: 20px;
margin-left: 10px;
border: 1px solid skyblue;
}
ul>li{
width: 100%;
height: 40px;
line-height: 40px;
text-align: center;
border-bottom: 1px dashed skyblue;
background: pink;
}
ul>li:hover{
background: yellow;
position: relative;
left: 2px;
top: 1px;
}
ul>li>a{
display: block;
color: #000;
font-size: 14px;
font-weight: 700;
font-family: ‘微软雅黑‘;
}
</style>
</head>
<body>
<ul>
<li><a href="">首页</a></li>
<li><a href="">博客</a></li>
<li><a href="">编程</a></li>
<li><a href="">UI设计</a></li>
<li><a href="">前端</a></li>
<li><a href="">大数据</a></li>
</ul>
</body>
</html>
原文：https://www.cnblogs.com/sherryStudy/p/relative_position.html