Davey gave you the code for it. Now it's logical, if it's an attachment field you'd obviously need to be looking at the newthread templates.... there that wasn't so hard for you was it?

-.- i dont want it for only attachment, i want it for all the text boxes and all the outlines like that

Sorry.
Open you AdminCP, go to Styles -> Modify.
Click on [fonts/colors/etc] next to the style you want this to take effect on.
Look in the box entitled 'Head Insert', and find:
Underneath that, add:
Click on 'Save changes' down the bottom and you're done.

Dave.

PS: You could be a little more polite to people who are trying to help you.
We don't get paid for it.

i wasnt being mean to u... i was bein mean to a-drive, cuz anywhere i go he follows me and just badmouths me, im ++++in tired of him

and thanks for the help...