index.html

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>📬 Exit-intent popup</title>

        <link rel="stylesheet" href="popup.css" />
    </head>
    <body>
        <div class="exit-intent-popup">
            <div class="newsletter">
                <b>Want to get updates to your mailbox? 📬</b>
                <p>Subscribe to our newsletter!</p>
                <input type="email" placeholder="Your email address" class="email" />
                <button class="submit">Receive Newsletter</button>
                <span class="close">x</span>
            </div>
        </div>

        <script src="CookieService.js"></script>
        <script src="popup.js"></script>
    </body>
</html>