<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>雪碧图</title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
.yi div,a{
width: 42px;
height: 30px;
color: red;
float: left;
background-image: url(../QQ图片20190328140756.png);
}
a{
background-position: -7px -338px;
}
a:hover{
background-position: -58px -338px;
}
</style>
</head>
<body>
<div class="yi">
<a href="#"></a>
</div>
</body>
</html>
