Bootstrap modal avec un formulaire newsletter

<!DOCTYPE html>
<html>
<head>
	<title>Bootstrap modal avec un formulaire de la newsletter | Par NGLESSON</title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<meta name="keyword" content="Bootstrap modal avec un formulaire de la newsletter">
	<meta name="author" content="Mezgani said">
	<meta name="copyright" content="NGLESSON">
	<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
	<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
	<link href="style.css" rel="stylesheet" type="text/css">	
</head>
<body class="container">
	<div class="row">
	    <div class="col-lg-8 loading">
		<div id="myModal" class="modal fade">
			<div class="modal-dialog modal-newsletter">
				<div class="modal-content">
					<form action="/examples/actions/confirmation.php" method="post">
						<div class="modal-header">
							<div class="icon-box">
								<i class="fa fa-envelope"></i>
							</div>
							<button type="button" class="close" data-dismiss="modal" aria-hidden="true"><span>&times;</span></button>
						</div>
						<div class="modal-body text-center">
							<h4>Inscrivez-vous</h4>	
							<p>Abonnez-vous à notre newsletter pour recevoir les dernières mises à jour et promotions.</p>
							<br>
							<div class="form-group">
								<input type="email" class="form-control" placeholder="Entrer votre email" required>
								<input type="submit" class="btn btn-primary" value="Inscrivez-vous">
							</div>
						</div>
					</form>			
				</div>
			</div>
		</div>
		<p class="hint-text text-center">
			<strong>Infos:</strong> Veuillez actualiser la page ou exécuter le code pour recharger le modal, ou 
			<button type="button" class="btn btn-info btn-sm" data-toggle="modal" data-target="#myModal">cliquer ici</button>.
		</p>		
		</div>		
	</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script type="text/javascript" src="script.js"></script>
</body>
</html>
body {
    font-family: 'Open Sans', sans-serif;
}	
.modal-newsletter {	
    color: #999;
    width: 480px;
    font-size: 15px;
}
.modal-newsletter .modal-content {
    padding: 40px 50px;
    border-radius: 1px;		
    border: none;
}
.modal-newsletter .modal-header {
    border-bottom: none;   
    position: relative;
    text-align: center;
    border-radius: 5px 5px 0 0;
}
.modal-newsletter h4 {
    color: #000;
    text-align: center;
    font-family: 'Lato', sans-serif;
    font-weight: 900;
    font-size: 30px;
    margin: 0 0 25px;		
    text-transform: uppercase;
}
.modal-newsletter .close {
    position: absolute;
    top: -15px;
    right: -25px;
    color: #c0c3c8;
    text-shadow: none;
    opacity: 0.5;
    width: 22px;
    height: 22px;
    border-radius: 20px;
    font-size: 16px;
    border: 2px solid;
}
.modal-newsletter .close:hover {
    opacity: 0.8;
}
.modal-newsletter .icon-box {
    color: #49c5c1;		
    display: inline-block;
    z-index: 9;
    text-align: center;
    position: relative;
}
.modal-newsletter .icon-box i {
    font-size: 110px;
}
.modal-newsletter .form-control, .modal-newsletter .btn {
    min-height: 46px;
    text-align: center;
    border-radius: 1px; 
}
.modal-newsletter .form-control {
    box-shadow: none;
    border-color: #dbdbdb;
}
.modal-newsletter .form-control:focus {
    border-color: #49c5c1;
    box-shadow: 0 0 8px rgba(73, 197, 193, 0.5);
}
.modal-newsletter .btn {
    color: #fff;
    background: #49c5c1;
    text-decoration: none;
    transition: all 0.4s;
    line-height: normal;
    padding: 6px 20px;
    min-width: 180px;
    border: none;
    margin-top: 20px;
    font-family: 'Airal', sans-serif;
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
}
.modal-newsletter .btn:hover, .modal-newsletter .btn:focus {
    background: #39b3af;
    outline: none;
}
.modal-newsletter .form-group {
    margin-top: 30px;
}
.hint-text {
    margin: 100px auto;
    text-align: center;
}
$(document).ready(function(){
    $("#myModal").modal('show');
});