phpengine/ui/frontend/login.tpl

<div class="text-center mx-auto col-md-3 mt-3">
	<img alt="" class="img-fluid om-shadow" src="{{@BASEURL}}/assets/images/logo.png">
	<form action="loginform" enctype="multipart/form-data" 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 class="sr-only" for="username">username</label>
		<input autocomplete="off" class="form-control mb-1" id="username" name="username" placeholder="Username" required type="text">
		<label class="sr-only" for="password">Password</label>
		<input autocomplete="off" class="form-control mb-1" id="password" name="password" placeholder="Password" required type="password">
		<button class="btn btn-block" type="submit">Invia</button>
	</form>
</div>