Gradient’s parameters: 
We have to represent now the frame designed for the site’s panel, applying the instrument from here:
Rounded Rectangle Tool (U) 
Set the layer’s parameters on the layers’ panel.
Fill 0% on the layers.
Blending Options>Outer Glow
Blending Options>Stroke
Then we have to create a special layer for the menu’s panel situated on the site’s header, using the usual
Rectangle Tool (U).

The layer’s parameters:
Fill 0%Blending Options>Gradient Overlay
Gradient’s parameters: