s, for free!</p>
            <form id="shortenForm">
                <input type="text" id="longURL" placeholder="Enter your URL">
                <input type="submit" value="Shorten">
            </form>
        </div>

        <!-- Custom Popup -->
        <div id="customPopup" class="popup">
            <div class="popup-content">
                <span class="close-button" onclick="closePopup()">&times;</span>
                <h2>Shortened Link</h2>
                <p id="shortenedLink"><a id="shortLink"