<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>登录</title>
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body >
<div class="page-header text-center">
<h1>摄影
<small>展会</small>
</h1>
</div>
<!--居中设置 margin:0 auto;-->
<!- setting the line width of the block-level width: 300px by; ->
<form Role = "form">
<div style = "background: Green; margin: 0 Auto; width: 300px by;">
<table class="table" style="width:400px">
<tbody >
<tr>
<div class="form-group">
<td>
<label for="name">名称</label>
</td>
<td>
<input type="text" class="form-control" id="name"
placeholder="请输入名称" style="width:200px">
</td>
</div>
</tr>
<tr>
<div class="form-group">
<td>
<label for="name">密码</label>
</td>
</ TR>
</ div>
</ td>
placeholder = "Please enter your password" style = "width: 200px">
<td>
<input type="password" class="form-control" id="name"
<tr>
<td>
<button type="submit" class="btn btn-default">提交</button>
</td>
<td>
<button type="submit" class="btn btn-default">注册</button>
</td>
</tr>
</tbody>
</table>
</form>
</div>
</body>
</html>