<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="grandParentContainer">
<div class="parentContainer">
<div align="center">
<form class="loginForm" role="form">
<h2>LOGIN</h2>
<div class="form-group">
<label for="email" class="col-sm-3 control-label">Email </label>
<div class="col-sm-9">
<input type="email" id="email" placeholder="Email" class="form-control">
</div>
</div>
<div class="form-group">
<label for="password" class="col-sm-3 control-label">Password</label>
<div class="col-sm-9">
<input type="password" id="password" placeholder="Password" class="form-control">
</div>
</div>
<button type="submit" class="btn btn-primary btn-block">Login</button>
<span class="help-block"><a href="#">I don't have an account yet! </a></span>
</form>
</div>
</div>
</div>
