Go to wp-admin-> Settings-> General-> Site Address(url)->
change http:// to https://
and save.
This will resolve your issue.
Appearance-> custom CSS-> Add Custom CSS
Please add the below css. It will resolve your issue.
.single-unit .main_unit_content.unit_class.single_unit_content {
z-index:0;
}
.single-unit ul.sub-menu {
z-index:1;
}
Thanks for confirming that the issue is resolved. So marking the topic as resolved and closing the topic.