vBulletin 4.2.5 is end of life and will not be receiving any future development. Warning: vBulletin 4.2.5 is not compatible with PHP 7.2.0 or higher.
Welcome to the vBulletin support forums! In our community forums you can receive professional support and assistance with any issues you might have with your vBulletin Products.
There is no default option to do this. And, I don't see a forum specific class in for the div to allow you to write custom css. So, I think you would have to add this forum specific class to the div and then use it to write your custom CSS. If you need help with that, the place to ask is over on vbulletin.org, the modification site.
Please don't PM or VM me for support - I only help out in the threads. vBulletin Manual & vBulletin 4.0 Code Documentation (API)
Want help modifying your vbulletin forum? Head on over to vbulletin.org
If I post CSS and you don't know where it goes, throw it into the additional.css template. W3Schools <- awesome site for html/css help
Comment