My nav bar is shifting/changing ever so slightly as I scroll downto different sections my page

Design help General
1

My nav bar is shifting/changing ever so slightly as I scroll down to different sections my landing page. I want the nav bar to remain sticky but I want the elements NOT to shift or change unless hovered or clicked. I have no idea why they’re shifting. Any advice?

Here is my site Read-Only: LINK
(how to share your site Read-Only link)

2

If you want help you need to give more information. Pls add your Read-Only link