main menu hide woo commerce single products tittle

sorry maybe its off topic but i couldn't find any answer in oceanwp and woocommerse forums

i use oceanwp them and elementor for design and my problem is main menu hide single products tittle

this is the site URL you can see main menu hide product tittle

http://45.32.113.186/wpdemo1/shop/women-black-dress/

this is another issues

http://45.32.113.186/wpdemo1/shop/50-to-do-in-vietnam/

when page load time i can get this view and if i refresh i get this

how can i fix this issues?

note: if is off topic and if some know how to solve this please help to fix this issues thank you