Images on Custom Nav Bar

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Hello,

I am creating a sub page within a page and have been doing some editing to force different headers on certain pages. I finally got it where I want it and wanted to add images to my nav buttons the way that I did on my main page, but for some reason, I am getting stuck. I copied the code word for word, changed the background-image:url to the new image and finally put in my new menu items.

Nothing. I'm at a loss. Any help would be much appreciated. Thanks!

http://www.philahoops.com/women/

~Joe