How to create generic popup for across the app?

I am trying to create a popup which is available and controlled by across application.

so I keep the html assets in app template. and the I would like to show and hide the popup any page from the app.

I understand that, It can achivable by service. but I don't have much idea to implement this. any one suggest me the right way?

Required is : show popup from any page, close pupup on click of close button in the popup.

here is my Twiddle

In case of angular it can be achieved from factory object.