Where to change these colors
 

Need some help finding where to edit the color for the below. The first one is a topic off of the main page. I'm trying to change the whole white area within the picture.

posts.JPG

This one is from the first screen on the profile page of the user.

profile.JPG


I've used firebug, but haven't had much luck finding them, but I will admit I'm still a bit new to it.
Attached Images

• https://www.vbulletin.com/forum/images/attach/jpg.gif posts.JPG‎ (37.6 KB)
• https://www.vbulletin.com/forum/images/attach/jpg.gif profile.JPG‎ (61.4 KB)