Controls

Shift Position of the Elements
Mouse movement

Brightness
Horizontal Mouse Position

Raster Size
Smaller: Press "w"
Bigger: Press "q"

Element Size (background)
Smaller: Arrow down
Bigger: Arrow up

Element Size (foreground)
Smaller: Arrow left
Bigger: Arrow right

Switch the color of the background elements between black/grey
Press "1"

Switch the color of the foreground elements between white/grey
Press "2"

Turn transparency on/off
Press "3"

Record
Start: Press "r"
End: Press "t"

Save (PNG)
Press "s"