Text randomly shifting upon page load + more

On my “ChurcHome” page of my site, upon page load the title text at the top of the page shifts upwards, and corrects itself after scrolling down to the first page interaction and back up.

Also, my menu on my mobile site for some reason is now shifting downwards when opened. So when you click it, it moves down, so you have to scroll to even see it.

I apologize if I’m not even using the correct language as I’m a bit newer to this whole thing, but would love some help! Thanks!

Here is my site Read-Only: