Board Thread:Support Requests - Designing Your Wikia/@comment-28122555-20140817135015/@comment-168424-20140823180159

You used the wrong URL. File: URLs are not images to CSS.

Try: .page-Flame_Dawn_Cards { background: url('http://images.wikia.com/infinity-wars/images/a/a9/Flame_Dawn_Background.jpg'); }