<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="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!DOCTYPE html>
<html>
<head>
<title>Login Page</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">
<link rel="stylesheet" type="text/css" href="styles.css">
</head>
<body>
<div class="container">
<div class="d-flex justify-content-center h-100">
<div class="card">
<div class="card-header">
<h3>Sign In</h3>
<div class="d-flex justify-content-end social_icon">
<span><i class="fab fa-facebook-square"></i></span>
<span><i class="fab fa-google-plus-square"></i></span>
<span><i class="fab fa-twitter-square"></i></span>
</div>
</div>
<div class="card-body">
<form>
<div class="input-group form-group">
<div class="input-group-prepend">
<span class="input-group-text"><i class="fas fa-user"></i></span>