phpengine/ui/login.tpl

<div class="text-center mx-auto col-md-3 mt-3">
	<img src="{{@BASEURL}}/ui/images/logo.png" alt="" class="img-fluid om-shadow">
	<form enctype="multipart/form-data" action="loginform" method="POST">
		<h1 class="mb-4" style="font-size: 4vw">Login</h1>
		<check if="{{ isset(@INFOTEXT) }}">
			<div class="alert alert-danger" role="alert">
				{{@INFOTEXT}}
			</div>
		</check>
		<label for="username" class="sr-only">username</label>
		<input type="text" name="username" id="username" class="form-control mb-1" placeholder="Username" required autocomplete="off">
		<label for="password" class="sr-only">Password</label>
		<input type="password" name="password" id="password" class="form-control mb-1" placeholder="Password" required autocomplete="off">
		<button class="btn btn-block" type="submit">Invia</button>
	</form>
</div>