Can you please share the page url where the issue is situated, so i will check and give you a possible solution. Also, share the wp logins details so i will check and give you a possible solution.
I have checked your site and have not seen an issue on your site. Please check the issue after completely clearing the browser cache and check the issue.
If you have found the issue, please record the short video for better understanding how to reproduce the problem on your site.
Please deactivate all the 3rd party plugins and activate only theme-required plugins on the site and then check the issue. I am sure your issue will be solved. Then Activate the 3rd party plugins one by one and check which plugin is creating the issue for you.
Otherwise, if the issue still exists then keep the 3rd party plugins deactivated and let me know I will further check on your site and give you a possible solution.