Someone

<link href="style.css" rel="stylesheet" type="text/css">
<?php
include "login.php";




	$listid=substr(htmlspecialchars($_GET['listid']), 0, 1000);
	$listcolourparent=substr(htmlspecialchars($_GET['listcolourparent']), 0, 1000);

$id = mysql_fetch_array(mysql_query("SELECT * FROM content WHERE id = '$listid'"));
$comment = $id["comment"];
$listlevel = $id["level"];

		if ($listlevel == "1 - Positive") { $listcolour = "#00C151"; }
		elseif ($listlevel == "2 - Interesting") { $listcolour = "#00C183"; }
		elseif ($listlevel == "3 - Uninteresting") { $listcolour = "#FF9B9B";	}
		elseif ($listlevel == "4 - Negative") { $listcolour = "#FF6C6C"; }
		elseif ($listlevel == "5 - Terrible") { $listcolour = "#FF4242"; }

if (!$listcolourparent) {
echo "
	<style type='text/css'>
	<!--
	body {
		background-color: $listcolour;
	}
	-->
	</style>
	";
}
echo "<pre>";
echo $comment;
echo "</pre>";
?