You can apply appearance attributes such as styles, effects, and transparency to layers, groups, and objects with the Layers palette. When an appearance attribute is applied to a layer, any object on that layer will take on that attribute. If an appearance attribute is applied only to an object on a layer, it affects only that object, not the entire layer.
You will apply an effect to an object on one layer. Then you'll copy that effect to a layer to change all objects on that layer.
In the Layers palette, collapse the Face layer and expand the Frame layer to reveal all of its objects.
Select the bottom path in the Frame layer.
To the right of the bottom path's layer name, click the target indicator ...