Maximenuck changes in other browsers

Hi,
Please help me!!!! I am not good at this and I don't have any idea of what to do. My menu looks grat in Firefox but in all other browsers it doesn't recognize me all what I changed. I am attaching a photo.
I need to finish this for friday, please help me!!!
Thanks a lot!!!

Hi
give me your url
Ced

I am in localhost, I am renovating a site that exists already so I can't put thisone ultil is finished. Do you know what can I do???
Thanks a lot

I can't do anything if I don't have access to the code