phpengine/ui/masterpage.tpl

<!DOCTYPE html>
<html lang="it">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0, user-scalable=no">
	<title>{{@SITENAME}}</title>
	<link type="text/css" rel="stylesheet" href="{{@BASEURL}}/bundle.css?v={{@VERSION}}"/>
	<link rel="shortcut icon" type="image/x-icon" href="{{@BASEURL}}/ui/favicon_{{@CUSTOMERNAME}}.ico?v={{@VERSION}}">

	<script type="text/javascript">
    const BASEURL = '{{@BASEURL}}';
	</script>
</head>
<body>

<include href="header.tpl"/>

<div class="d-flex flex-row justify-content-around align-items-center" style="overflow-y: auto; height: calc(100% - 150px)">
	<include if="{{isset(@CONTENT)}}" href="{{@CONTENT}}"/>
</div>

<include href="footer.tpl"/>

<script src="{{@BASEURL}}/bundle.js?v={{@VERSION}}"></script>

<check if="{{isset(@REQ_REDIRECT}})">
	<true>
		<script>
      setTimeout(() => {
        window.location.href = "{{@BASEURL}}/{{@REQ_REDIRECT}}";
      }, {{@REQ_REDIRECT_MS}});
		</script>
	</true>
</check>

</body>
</html>