Step 1. Open PhotoShop
Step 2. Using the Gradient tool, create a radial gradient spanning from light blue (Red=0, Green=224, Blue=255) to black.
Step 3. In the Filters menu go to texture > craquelure. Apply this filter using the following settings... crack spacing 11, crack depth 3, crack brightness 9.
Believe it or not, this is all you need to know if you wish to design for the United States government...