Thanks for asking.
I see that on https://ascendmfr.com/ you are using X Theme version 6.1.5 which incompatible with the version of Cornerstone 3.3.6 you are using. I suggest you to update X Theme to the most recent version 6.3.6 and see how it goes.
To update X Theme please take a look at following resources:
Version compatibility guide: To learn about the latest and compatible versions of bundled and supported plugins, please take a look at following doc:
2. Theme Update guide: Please take a look at following article to update X Theme.
3. Please take a look at following doc about changelog: