download first
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="./css/bootstrap.css" rel="stylesheet" type="text/css">
<script charset="utf-8" type="text/javascript" src="./js/jquery-2.1.4.min.js"></script>
<script charset="utf-8" type="text/javascript" src="./js/bootstrap.js"></script>
</head>
<img src="..." class="img-responsive" alt="响应式图像">
<div class="container">
...
</div>
<form role="form-inline">
<div class="container">
<div class="form-group">
<label for="name">name</label>
<input type="text" class="form-control" id="name" placeholder="请输入">
<div class="form-group"></div>
<textarea class="form-control"></textarea>
<div class="form-group"></div>
<div class="form-group">
<select class="form-control input-lg">
<option value="">option1</option>
<option value="">option1</option>
<option value="">option1</option>
</select>
</div>
</div>
</div>
</form>
<ul class="list-group">
<li class="list-group-item">11</li>
<li class="list-group-item">222</li>
<li class="list-group-item">33</li>
</ul>