Generar una página web para login

<article class="login">
        <form action="" method="post">
            <input type="text" id="username" name="username" placeholder="Username" required="" value="" />
            <input type="password" id="password" name="password" placeholder="Password" required="" value="" />
            <input type="submit" name="login" value="Login" />
        </form>
    </article>