Form cover picture is not visible in my form

I deleted the previous image in my form cover, and uploaded a new one. It shows up in the uploaded images box, but not on the form itself. It is blank. I've tried clearing the cache and cookies, restarting my browser, restarting my computer. Trying it on a different computer, and nothing has worked...

I've checked your form and you've added custom CSS that is conflicting with the form cover setting in your form.

Please remove the background-image code highlighted above and this should make the new cover picture visible.