[Paul M]

If you didn't understand the explanation then ask, if you don't ask then I will assume you did.

Go into your usergroup manager, about the third option is "Username HTML Markup" ;

There are two fields, the first is the opening tag in which you have something like this

<strong style=color:#99001A>

You should then have an entry in the second box to close the tag - in your case this should be

</strong>

You do not have the closing tag in your markup.