Gradient’s parameters:





For a better result, we need to combine in a group all the layers composing the left section (press on Ctrl button to mark the necessary layers and hold on the left mouse’s button to take the layers down on Create a new group option). Make a copy of this group and apply the Free Transform option to narrow the copy horizontally, placing it the way it is demonstrated below.



Applying the Rounded Rectangle Tool (U), create now a layer on the site’s header colored in # 003250





Draw next a thin stripe colored in #002848, situated lower than the new made layer. It’s possible to apply the Rectangle Tool (U) for this operation.



The layer’s parameters:
The Opacity should be of 50%
Blending Options>Pattern Overlay