无聊,纯css写了个评分鼠标移入的效果

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>Document</title>
</head>
<body>
<style>
    * {
        margin: 0;
        padding: 0;
    }
    span {
        display: block;
        width: 30px;
        height: 30px;
        padding-left: 30px;
        background-image: url(https://images0.cnblogs.com/blog/294743/201304/21141707-77236dc5976d4f7db624bf3a5d2eee28.gif);
        background-repeat: no-repeat;
        background-position: 0 -3px;
    }
    span span span span span {
        padding-left: 0;
    }
    span:hover {
        background-position: 0 -31px;
    }
</style>
<span>
    <span>
        <span>
            <span>
                <span></span>
            </span>
        </span>
    </span>
</span>
</body>
</html>

 效果如下

 无聊,纯css写了个评分鼠标移入的效果