Hello,

Issues like this usually occur when there is a conflict either with the theme currently active on your website, or another plugin you have installed.

Can you please change the theme and see if the issue is resolved?

 If not, then please deactivate all other plugins except for our plugin, refresh the page where the issue is, and see if it is resolved (it should be). 

If it is, then start activating other plugins one by one, and after each activation refresh the page to see if the issue reoccurred. 

Once it does reoccur, you will have found the plugin causing the issue.

Let me know if that helps to isolate the issue.

Thanks.