Hello,

You should use the child theme in order to not lose your custom code. Please check our documentation about it:

https://xtemos.com/docs-topic/setup-child-theme/

Most likely, this https://blanc9.com/beryl/ link is related to the previously deleted theme so you see such results. Also, I have checked other links and they work well:

https://monosnap.com/file/ufYO7fbqqhmXV6GQOmpvxisfMUKFvU

Kindly accept our sincere apologies for the inconvenience caused to you with the plugins and don’t hesitate to reach out if you have any additional questions.

Kind Regards