<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>按钮练习</title>
<style type="text/css">
.bth:link{
display: block;
background-image: url(img/gouwuche.png);
height: 32px;
width: 42px;
background-repeat:no-repeat;
background-position: -10px -338px;
}
.bth:hover{
background-position: -127px -338px;
}
.bth:active{
background-position: -58px -338px;
}
</style>
</head>
<body>
<a class="bth" href="#"></a>
</body>
</html>
