This code won't work, extended network&blog Options

[lovelyfatale]

I'm pretty sure I followed the directions on how to use this script, but my extended network AND blog are still showing... Is something wrong with the code? Or am i doing it wrong?

CODE

<style type="text/css">
table tbody td table tbody tr td.text table {visibility:hidden;}
table tbody td table tbody tr td.text table table, table tbody td table tbody tr td.text table table tbody td.text {visibility:visible;}</style>