Is this possible? In one other forum host you can do that I was wondering if it's possible here....

Do you have banned members going into a separate group when you ban them? Or are they just left with their usual group(s)?

If you decide to place them into a group when you ban them, then the members of that group can have their usernames styled.

yeah right now they are colored gray

Have you got a link to a banned member?

http://chenschattingplace.vforums.us/action/view_profile/user/banme

<style type = 'text/css'>
.group4 {
     text-decoration: line-through;
}
</style>

Global Headers or if you're just going straight into the CSS part of the "Modify Colours":

.group4 {
     text-decoration: line-through;
}

that ain't working I added it for her since i got nothing else to do, even tested it on group one, and no result

You could try adding !important after the line-through ie. line-through !important.

Other than that, try moving it below your CSS declaration.

Works fine on my test forum.

I also forget about !Important... well adding that worked

I think it was down to you declaring a text-decoration within your CSS file that was overwriting it.

You probably, but thats what happens when using premade skins