SMILET
官方文档推荐的引入方法,实现响应式布局<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1,user-scalable=no"><title>bootstrap form</title><link rel="stylesheet" href="../css/bootstrap-theme.min.css" /><link rel="stylesheet" href="../css/bootstrap.min.css" /><script type="text/javascript" src="../js/jquery-3.1.0.js" ></script><script type="text/javascript" src="../js/bootstrap.min.js" ></script></head>