Fill 22% on the layers.
Blending Options-Inner Shadow

For your convenience we should merge down in a group all the layers composing the big button
Make a copy of the group and using Free Transform option, it’s possible to minimize it a little and place everything the way it is indicated below:

Get back to the big button and insert one more layer.
Take the following instrument again to select from the next table a cliché that one encircled in red.

Using the Free Transform option, turn around the element and choose the white color for it.