<style type="text/css">
div{
display: inline-block;
width: 40px;
height: 40px;
background:url(./sprites.png);
margin-bottom: 10px;
}
.icon2{
background-position: -70px 0;
}
.icon3{
background-position: -70px -30px;
}
.icon4{
background-position: 0 -80px;
}
</style>
<body>
<div class="icon1"></div>
<div class="icon2"></div>
<div class="icon3"></div>
<div class="icon4"></div>
</body>
原文：https://www.cnblogs.com/zhoujingye/p/14779163.html