db.php
<p>Belum punya akun? <a href="register.php">Daftar di sini</a></p>

<h2>Login</h2>
<form method="post">
    Email: <input type="email" name="email"><br>
    Password: <input type="password" name="password"><br>
    <button name="login">Login</button>
</form>