-<link rel="stylesheet" type="text/css" href="/cookie_law.css">
-<link rel="stylesheet" type="text/css" href="brisk.css">
-<link rel="stylesheet" type="text/css" href="room.css">
+<link rel="stylesheet" type="text/css" href="/cookie_law.css?v=<? echo BSK_BUSTING; ?>">
+<link rel="stylesheet" type="text/css" href="brisk.css?v=<? echo BSK_BUSTING; ?>">
+<link rel="stylesheet" type="text/css" href="room.css?v=<? echo BSK_BUSTING; ?>">