The layer’s parameters:
Blending Options>Outer Glow





Make six copies of the new made layer and choose again the Free Transform option to turn the copies over if that is necessary or make them smaller. Place them the same way it is shown on the picture below. We need also to move off the effect from the copies on the upper buttons.



Add by one white small stripe near the pointers on the lowest buttons, taking the Rectangle Tool (U).







The layer’s parameters are the same.
Blending Options>Outer Glow