<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="utf-8"/>
<title>HTML规范 整体结构</title>
<meta name="keywords" content=""/>
<meta name="description" content=""/>
<meta name="viewport" content="width=device-width"/>
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7" lang="zh"> <![endif]-->
<!--[if IE 7]> <html class="no-js lt-ie9 lt-ie8" lang="zh"> <![endif]-->
<!--[if IE 8]> <html class="no-js lt-ie9" lang="zh"> <![endif]-->
<!--[if gt IE 8]> <html class="no-js" lang="zh"> <![endif]-->
</head>
<body>
</body>
</html>
原文：http://www.cnblogs.com/Spring-Rain/p/5514440.html