lugo/layouts/shortcodes/login.html

<div>
<link rel='stylesheet' type='text/css' media='screen' href='{{ .Site.BaseURL }}/form.css'>
<form class="spaced" method="post" action="login" enctype="application/x-www-form-urlencoded">
    <label>Login</label>
    <br>
    <input type="text" id="username" name="username" aria-autocomplete="both" placeholder="Username" autofocus autocomplete="username" required><br>
    <input type="password" id="password" name="password" placeholder="Password" autocomplete="new-password" required><br>
    <input type="submit" value="Submit">
</form>
</div>