Border and body

I would like to change the border or (body wrapper) to black, and the featured content area to black background with white text. Please advise! thank you!

 

Hello,

Paste the code given below in Custom CSS section
(Appearance -> Theme Options -> Styling Options -> Custom CSS) of your dashboard.

Code:

.feature_content {
background: black;
}
.feature_contentbox h2,.feature_contentbox p {
color: white;
}
.body_wrapper{
border: solid 10px #000;
}

Thanks & Regards
Pramod