Create a new file that would have
593x250 px and
72 dpi. Use after that the indicated tool

to represent the lowest background.
Blending Options-Gradient Overlay
Gradient’s parameters:

Take the following tool now

and create the menu for the buttons reserved for the site’s header. First you have to create the central part of the buttons’ panel, then click on the
Shift button and represent two circles on the right side and on the left one.

Blending Options-Drop Shadow
Blending Options-Inner Shadow