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/2.3.2/css/bootstrap.min.css" rel="stylesheet"> <style>body {margin:10px}</style> <div class="container"> <div class="row"> <div class="span5"> <form class="well"> <label>标签名称</label> <input type="text" class="span3" placeholder="Type something…"> <span class="help-inline">相关帮助文档 ！</span> <label class="checkbox"> <input type="checkbox"> 选中我 </label> <button type="submit" class="btn">提交</button> </form> </div> </div> </div>
运行结果：