Applying the Ellipse Tool (U), we’ll represent the Close button on the right top corner of the site’s section panel:

The layer’s styles: Blending Options>Drop Shadow

Blending Options>Inner Shadow

Blending Options>Outer Glow

Blending Options>Inner Glow

Blending Options>Gradient Overlay

Gradient’s parameters:

insert the Close indicator:

Make a copy of the last made layer and choose Free Transform option to place the copy the same way as below:

The styles for the copy’s layer: Blending Options>Inner Shadow

Now we’ll represent the button of the menu on the site’s header, above the sections’ panel. In this case we’ll apply the Rounded Rectangle Tool (U) (radius of 20 px)

The layer’s styles: Blending Options>Gradient Overlay

Gradient’s parameters:

Make three copies of the last made layer containing the button and select again Free Transform option to place the copies as it is shown below:

Next we need to add the titles for the menu’s buttons situated on the site’s header:

Select the same styles for the layers containing the buttons’ titles: Blending Options>Drop Shadow

The last step includes inserting the site’s name (used font):

The layer’s styles: Blending Options>Drop Shadow

Blending Options>Inner Glow

Blending Options>Gradient Overlay

Gradient’s parameters:

Finished!

View full size here.