option.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Field of Interest Selection</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div id="popup" class="popup">
        <div class="popup-content">
            <span class="close">&times;</span>
            <h2>Select Your Field of Interest</h2>
            <button class="option" onclick="selectOption('DSA')">Data Structures and Algorithms (DSA)</button>
            <button class="option" onclick="selectOption('CP')">Competitive Programming (CP)</button>
            <button class="option" onclick="selectOption('JavaScript')">30 Days of JavaScript</button>
        </div>
    </div>
    
    <script src="index.js"></script>
</body>
</html>