Using the Ellipse Tool (U), try to draw a flare on the right side of the buttons’ panel situated on the site’s header.

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

Gradient’s parameters:

Press the Alt button and make a mouse’s click between the flare’s layer and the buttons’ panel for the flare to be applied in the limits of the buttons’ panel.

Make a copy of the new made layer and move the copy with Free Transform option on the left side of the buttons’ menu.

Select now the Rectangle Tool (U) to paint the lowest part of the site’s background in here shown color – #1A1A1A

The layer’s parameters:
Blending Options>Outer Glow

Blending Options>Bevel and Emboss

Choose the Rounded Rectangle Tool (U) to represent the lowest layer reserved for the site’s sections.

The layer’s parameters:
Blending Options>Drop Shadow

Blending Options>Gradient Overlay

Gradient’s parameters:

Make a copy of the last made layer and apply again the Free Transform option to make the copy smaller the way it is demonstrated below and change the copy’s parameters too.

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

Next we have to select two instruments and represent one more element belonging to the site’s header. Use firstly the Rectangle Tool (U) to create the primary layer and then click on the Alt button, selecting simultaneously the Ellipse Tool (U) for two times to cut out the unnecessary elements.

The layer’s parameters:
Blending Options>Gradient Overlay

Gradient’s parameters:

We have to represent now another element belonging to the site’s header that must be placed upper than the previously made one. The operation in case needs the same Rectangle Tool (U).

The layer’s parameters:
Blending Options>Gradient Overlay

Gradient’s parameters: