JetForMe: Dot Document Settings
JetForMe: Choose your colors
JetForMe: Ellipse Tool
JetForMe: Put a radial gradient fill in the selection
JetForMe: Elliptical Marquee Tool
JetForMe: Create a dark filled circle
JetForMe: Create a new layer
JetForMe: Swap your colors
JetForMe: Make a selection smaller than the first circle