Try to draw now on the central picture’s part a circle, colored in
#FCFDFD. It should be considered the primary layer reserved for the buttons. The operation may be done with the
Ellipse Tool (U). Represent firstly the outside edges and then press
Alt button to cut out the ring’s middle part, applying the same
Ellipse Tool.

The layer’s parameters:
Blending Options>Outer Glow
Blending Options>Inner Glow
Blending Options>Stroke

Now we have to represent a very thin circle around the already made one, using the same
Ellipse Tool (U).

The layer’s parameters:
Fill 0% on the layers.
Blending Options>Stroke