圣诞节下雪特效

<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>下雪特效</title>
</head>
<body style="background:#000">
    <script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/1.7.2/jquery.min.js"></script>
<script src="http://itbyc.com/templets/yang/js/snow.js"></script>
<style type="text/css">.snow-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:100001;}</style>
<div class="snow-container"></div>
</body>
</html>

提示:你可以先修改部分代码再运行。