container is missing

[Community Alums]

I was modifying the parent class visible-xs and hidden-xs, i emptied the parent class field and clicked "save". Unfortunately, the container has gone missing. how do i get it back?
its the container with the search on the top.

https://dev265467.service-now.com/

[Dr Atul G- LNG]

Hi @Community Alums 

We cant access your pdi, please share some screenshot.