大声道

bootstrap不支持IE兼容模式，为了让IE浏览器运行最新的渲染模式，将添加以下标签在页面中

<meta http-equiv="X-UA-Compatible" content="IE=edge,Chrome=1" />
<meta http-equiv="X-UA-Compatible" content="IE=9" />

<!--[if lt IE 9]>
<script src="http://cdn.bootcss.com/html5shiv/3.7.2/html5shiv.min.js"></script>
<script src="http://cdn.bootcss.com/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->


/*---------------------HTML5 reset--------------------------*/
header,footer,section,aside,details,menu,article,section,nav,address,hgroup,figure,figcaption,legend{display:block;margin:0;padding:0}time{display:inline}
audio,canvas,video{display:inline-block;*display:inline;*zoom:1}
audio:not([controls]){display:none}
svg:not(:root) {overflow: hidden}