<!DOCTYPE html>
<html lang="<?php echo ( empty( $locale_lang ) ? 'en' : $locale_lang ); ?>">
<head>
<base href="<?php echo get_script_baseurl(); ?>">
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<div>
<h1>503 The server is currently overloaded.</h1>
<p>Please try again in a few minutes.</p>
</div>
<div style="background-color: #ddd; padding: 1ex; margin: 1ex;">
<?php echo $additional_info; ?>
</div>
</body>
</html>