1. You have to do both steps:
– enable header sticky
-edit the file.
7. You can follow my image to change the filter operator to OR. (do the same with other service)
6. You are as administrator can not see that chat box.
Please view your hotel as normal user then check again.
2. THat bar belong to web browser. We can not help you remove that.
8. Button color: i have changed the color for all buttons.
Please check again.