Bootstrap,栅格系统Bootstrap栅格系统的简单介绍，供大家参考，具体内容如下 栅格系统：总共分为12个，超过12个会自动换行，可嵌套，嵌套也不可超过12个，且不会超过父栏 代码： <html><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE-edge"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Bootstrap 101 Template</title><link href="http://cdn.bootcss.com/bootstrap/3.3.1/css/bootstrap-theme.min.css" rel="stylesheet"><link href="http://cdn.bootcss.com/bootstrap/3.3.1/css/bootstrap.min.css" rel="stylesheet"><style>div{ border:1px solid #cccccc;}</style></head><body><!-- 栅格系统 --><div class="container"><div class="row"><div class="bg-primary col-sm-9">A</div><div class="bg-success col-sm-2">B</div><div class="bg-info col-sm-1">C</div></div></div><!-- 中等屏幕与超小屏幕的处理 --><div class="container bg-primary"><div class="row"> <div class="col-xs-12 col-md-8">.col-xs-12 .col-md-8</div> <div class="col-xs-6 col-md-4">.col-xs-6 .col-md-4</div></div></div><!-- 偏移：offset --><div class="container"><div class="row"> <div class="col-md-4">.col-md-4</div> <div class="col-md-4 col-md-offset-4">.col-md-4 .col-md-offset-4</div></div><div class="row"> <div class="col-md-3 col-md-offset-3">.col-md-3 .col-md-offset-3</div> <div class="col-md-3 col-md-offset-3">.col-md-3 .col-md-offset-3</div></div><div class="row"> <div class="col-md-6 col-md-offset-3">.col-md-6 .col-md-offset-3</div></div></div><!-- 嵌套 --><div class="container"><div class="row"> <div class="col-sm-9"> Level 1 <div class="row"> <div class="col-xs-8 col-sm-6"> Level 2 </div> <div class="col-xs-4 col-sm-6"> Level 2 </div> </div> </div></div></div><!-- pull:从右向左 push:从左向右 --><div class="container"><div class="row"><div class="col-md-9 col-md-push-3">.col-md-9 .col-md-push-3</div><div class="col-md-3 col-md-pull-9">.col-md-9 .col-md-pull-9</div></div><script src="http://cdn.bootcss.com/jquery/2.1.1/jquery.min.js"></script><script src="http://cdn.bootcss.com/bootstrap/3.3.1/js/bootstrap.min.js"></script><script src="http://cdn.bootcss.com/bootstrap/3.3.1/js/npm.js"></script></body></html>结果： 
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Bootstrap,栅格系统
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