根据图像创建翻转菜单

Maybe I'm just not meant for this stuff, but I cannot figure out how to put a rollover menu on my site. I want a centered dropdown menu where the text is hidden until you rollover an image. I already have the image, I just don't know what to do from here. I've taken CSS from other sites to try an backwards understand it but that really didn't help.Maybe I'm just not meant for this stuff, but I