How do I make text smaller for moderators,

How do I make the text smaller for moderators where I have indicated below. ? but not in the rest of my forum?

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and also is it possible not to show it at all on the thread title, description pannel as above.

thanks.

when you assign a usergroup of mods to a forum it will automatically be displayed underneath

there is no need for you to add this it automatically adds

hope this helps

No, It does not help. Read my post above again.