使用淘宝的框架
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, minimal-ui, viewport-fit=cover,user-scalable=no">
<title>test</title>
<script src="http://g.tbcdn.cn/mtb/lib-flexible/0.3.4/??flexible_css.js,flexible.js"></script>
<style>
.aa {
font-size:1.2rem;
}
</style>
</head>
<body>
<div class="aa">this is a test</div>
</body>
</html>
