简单教程
提交运行
代码编辑器：
<!DOCTYPE htm> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.js"></script> <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> <style>body {margin:20px}</style> <div class="container"> <div class="row" > <div class="col-xs-6 col-md-offset-3" style="background-color: #dedef8;box-shadow: inset 1px -1px 1px #444, inset -1px 1px 1px #444;"> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. </p> </div> </div> </div>
运行结果：