font: Arial 9

background: 0.3 0.4 0.5 1.0 background.jpg gradient.jpg

cluster: 0.9 1.0 1.0 0.2
edge: 0.9 1.0 1.0 0.8
path: 0.8 0.2 0.4 1.0

light: 0.4 0.5 0.6 1.0
dark: 0.2 0.3 0.4 1.0
blue: 0.0 0.5 0.7 1.0
green: 0.1 0.6 0.0 1.0