Thank you for reaching out to us, It seems like a third party conflict, please perform the following troubleshooting steps:
- TESTING FOR PLUGIN CONFLICT
- CSS/JS CUSTOMIZATION
- DISABLING CACHE
- DISABLING CDN
- VERSION COMPATIBILITY
If you still have problems then please get back to us with the result of the steps above and URL/User/Pass of your WordPress dashboard using the Secure Note functionality of the post to follow up the case.
It has always been working, some recent header edit maybe z-index but I can’ figure it out. I have not changed plugins.
I deactivated all the plugins on your site and now the menu works. Please check your plugins and all the custom codes you’ve added to your site.