Start with a new document 400x400 px with a white Background.
Create a new layer ( press CTRL+SHIFT+ALT+N )
Select the Rounded Rectangle Tool ( radius set to 40 px ) and draw a small rectangle:
Now we will ad a layer style for this rectangle:
The next image is the Gradient used for the stroke settings
The result should look like this:
Now Create one more Rounded Rectangle ( this time you need to create a smaller rounded rectangle) Place this rectangle on the middle of the other one )
Use the aligniament buttons. Select Move tool and you can see the aligniament tools:
Place it like me:
Then we will add another layer style for this new rectangle:
And here is my result after i have applied this layer style:
