Share layers
When
you share a layer across pages or states, you can update an object
on a layer and it is updated in all pages or states. Share layers
when you want objects such as background elements to appear on all
pages of a website or all states of an animation.
Note: Sublayers cannot be shared across pages or states;
select the parent layer to share.
Share the selected layer across states

Do one of the following:
From the
Layers panel Options menu or pop-up menu, select Share Layer To
States.
Select New Layer from the Layers panel Options menu or pop-up
menu, and select Share Across States.
The layer shared across states appear with a film icon against
it in the Layers panel.
Share the selected layer across pages
From the Layers panel Options menu or pop-up menu,
select Share Layer to Pages.
The layer shared across pages appear with a page icon against
it in the Layers panel.
Disable the sharing of a layer
Select the shared layer and deselect Share Across
States from the Layers panel Options menu or pop-up menu.
Specify how to copy objects to states: