Dropdown menu behind carousel

i just visited my website from an iPad of a friend for the first time (so with safari), and I realized the dropdown menus of my navbar were hidden by the carousel…

I tried on all my navigators (FF, chrome, IE, Opera) and nothing strange in those cases.

what can be the issue? Is a problem of safari or maybe the iPad layout…

The website if you want to see: cantuscanti.org

Thank you for your help,

Did you test it with iOS6 or iOS7?

iOS 6 is no longer supported and there might be some incompatibility issues but there shouldn’t be any problems with iOS7.

It this is not the case, please let me know and I will test your website on iPad.