admin.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>AdminPage.</title>
    <link rel="stylesheet" href="style.css">
    <link rel="stylesheet" href="output.css">
</head>
<body id="I2" class="flex flex-col justify-center items-center p-5">

        <div class="flex flex-col justify-center items-center">

            <button onclick="adminShow()" id="AdminToggler">ADMIN LOGIN</button>
            <br><br>
            
            <div id="Admin_Login">

                <input type="text" class="inputslogin" id="USERNAME" placeholder="Admin Username">
                <input type="text" class="inputslogin" id="PASSWD" placeholder="Admin password">
                <button id="LOGIN" onclick="auth()">Admin Log In</button>
            </div>
            
            <div id="adminUploads">
                <input type="file">
                <button id="Upload" >Upload Newsletter</button>
            </div>  
        </div>
            

    <script src="index.js"></script>
</body>
</html>