Open a new file that would have 766x500 px and 72 dpi. Paint it with the next color 2D3947.
Select the following instrument and try to represent a menu element. Take now the next tool and stretch out the lowest corner like in the picture below.
Blending Options-Gradient Overlay
Gradient’s parameters:
Blending Options-Stroke
Copy the new made layer three times, and then you should change the parameters of each copy.
and try to represent a menu element. Take now the next tool 
and stretch out the lowest corner like in the picture below. 
