<!DOCTYPE HTML> <html> <head> <title><?php echo $page_title; ?></title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="/assets/css/style.css"/> <script src="/assets/js/highlight.min.js"></script> <script>hljs.initHighlightingOnLoad();</script> </head> <body>