Message Body Panel CSS?

[khad]

What I'm talking about is the gray area as in the below image:

http://i89.photobucket.com/albums/k213/khad187/msgbodycss_tf.gif

I've found the color setting for every component of the forum except this one. Could someone point me in the right direction?

Thanks! :D It's been like that for a month.

[Princeton]

STYLE MANAGER / TOOLBAR MENU OPTIONS (dropdown menu)

edit "Editor buttons in normal state" background option