1. New Document and Fill Background
Make a new canvas any size, mine's 200 x 200px and then fill the background with #5F5F5F
2. Smoothed Button
Make a new layer and get the Rounded Rectangle Tool
with these options
make a rounded box about this size
3. Blending Options
Go into the blending options for the button layer and set these options:
Drop Shadow:
Inner Shadow:
Inner Glow:
Gradient Overlay:
And the result is:
4. Text etc.
I used Tahoma 12pt no Anti-aliasing, color #FFFFFF and this Drop Shadow:
What can be done:
More Tutorials: 
