hugo-cms/templates/auth/login.html

<form method="post" action="/auth/login">
    <p>
        <input name="email" value="" placeholder="Email">
    </p>
    <p>
        <input name="password" type="password" value="" placeholder="Password">
    </p>
    <p>
        <input type="submit" value="Login">
    </p>
</form>