Navigation drop-downs flickering

Hi Nick!

I am having a very odd issue in this sandbox (just building a site here) with navigation drop-downs. They flicker, for lack of another word.

Odd as I have used this on several sites and never had this issue.

If I disable Genesis Featured Page Advanced, the problem goes away.

You will need a password to see the site. Can I send that privately some how?

The site is using Genesis 3.2.1 and WordPress 5.3.2
Child Theme: Infinity Pro

Any suggestions would be appreciated!

Thanks and cheers,
Gil

The page I need help with: [log in to see the link]