<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
*{margin: 0;padding: 0;}
a{
display:block;
width: 150px;
height: 100px;
background: #f00;
margin:10px auto;
text-align:center;
line-height:100px;
border-radius:50px;
border-radius:50%;
}
div{
width: 200px;
height: 200px;
margin:10px auto;
font-size:30px;
color:red;
}
div:target{
background: pink;
}
</style>
</head>
<body>
<a href="#box1">链接box1</a>
<a href="#box2">链接box2</a>
<a href="#box3">链接box3</a>
<a href="#box4">链接box4</a>
<div id="box1">1</div>
<div id="box2">2</div>
<div id="box3">3</div>
<div id="box4">4</div>
</body>
</html>
