Я ждал чего-то такого

<link rel="stylesheet" type="text/css" href="/style/css.princess.css?2"> </head>
<body>
62
63
<?php include_once('content/page.header.php’); ?>
65
<div class="content flex flex_wrap">
<aside>
<?php include_once('content/page.sidebar.php’); ?>
<?php include_once('content/page.footer.php’);