1. Create new file with 72 PPI and white background.
2. Select Elliptical Marquee tool. Place the cursor in the center of
the image approximately.
3. Press Shift+Alt and draw perfect circle.
4. Select foreground and background color.
5. Select Gradient tool.
6. Drag from top left to bottom right.
7. With the image selected,
Select > Modify > Contract
8. Input the value 7.
9. Click the Gradient tool again and
drag over the image from bottom right to top left.
10. Press Ctrl +D to deselect.
