503 bytes added,
09:48, 20 October 2009 /* CSS placed here will affect users of the Monobook skin */
/* edit this file to customize the monobook skin for the entire site */
#ca-watch { display: none !important; }
#ca-history { display: none !important; }
#ca-talk { display: none !important; }
#ca-viewsource { display: none !important; }
#ca-edit { display: none; }
<!-- No [view source] tab for anonymous users -->
<?php global $wgUser; if( $wgUser->isAnon() ) { ?>
<style>
#ca-edit { display: none !important; }
</style>
<?php } ?>