<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!DOCTYPE html>
<html>
<head>
<title>Amimated Form</title>
<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="col-md-4 col-md-offset-4" id="login">
<section id="inner-wrapper" class="login">
<article>
<h2 class="text-center" style="color:#1d586a"><b>Welcome Student</b></h2>
<form>
<h2 class="text-center" style="color:#2bab92"><strong>Login Here</strong></h2>
<hr>
<div class="form-group">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-user"> </i></span>
<input type="text" class="form-control" placeholder="UserName">
</div>
</div>
<div class="form-group">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-key"> </i></span>
<input type="password" class="form-control" placeholder="Password">
</div>
</div>
<button type="submit" class="btn btn-success btn-block">Submit</button>
