JS class -
html5.js, let your IE browser support H5 new features: http://html5shiv.googlecode.com/svn/trunk/html5.js (remember to comment and judge)
JQuery library Baidu online CDN: http://libs.baidu.com/jquery/2.0.0/jquery.min.js
Bootstrap core JS code: https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js
CSS class -
Bootstrap official online reference address: https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css