<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="row" align="center"> <h2>高能全基因组测序大数据库</h2> <div class="col-lg-5"></div> <div class="col-lg-2"> <form class="form-horizontal" role="form"> <div class="form-group"> <label class="sr-only" for="inputEmail">邮箱</label> <input type="email" class="form-control" id="inputEmail" placeholder="邮箱"> </div> <div class="form-group"> <label class="sr-only" for="inputPassword">密码</label> <input type="password" class="form-control" id="inputPassword" placeholder="密码"> </div> <div class="form-group"> <button type="submit" class="btn btn-primary btn-block">登入</button> </div> </form> </div> <div class="col-lg-5"></div> </div>