这是代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
* {
margin: 0;
padding: 0;
}
.lunbo {
position: relative;
width: 520px;
height: 280px;
background-color: pink;
margin: 100px auto;
}
.lunbo img {
width: 520px;
height: 280px;
}
.anniu {
position: absolute;
top: 50%;
margin-top: -15px;
width: 20px;
height: 30px;
background: rgba(0, 0, 0, .3);
text-align: center;
line-height: 30px;
color: #fff;
text-decoration: none;
border-top-right-radius: 50%;
border-bottom-right-radius: 50%;
}
</style>
</head>
<body>
<div class="lunbo">
<img src="img/Z.jpg">
<a href="#" class="anniu"><</a>
</div>
</body>
</html>
