index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Day-to-Night-toggle-with-CSS-HTML-JavaScript</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="toggle"></div>
    <div class="content">
        <h2>GLJMedia</h2>
    </div>
    <script src="https://code.jquery.com/jquery-3.3.1.js"></script>
    <script src="script.js"></script>

</body>
</html>