index.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Login</title>
    <link href="style.css" type="text/css" rel="stylesheet">
<script type="text/javascript" src="mycode.js"></script>
</head>
<body>
    <div class="container">
        <div class="box">
            <h1>Login</h1>
            <form name="loginForm" method="post" action="login.php"><br>
                <div class="input-container">
                    <input type="text" id="benutzer" name="benutzer" required>
                    <label for="Lblusername">Benutzername</label>
                </div>

                <div class="input-container">
                    <input type="password" id="passwort" name="passwort" required>
                    <label for="Lblpassword">Passwort</label>
                </div>

                <input type="submit" value="Absenden">
            </form>
            <div class="input-container">
                <br> <a href="registrieren.html">Registrieren</a>
            </div>
        </div>
    </div>
</body>
</html>