function setup(){

	createCanvas(600,600)

	background(0,0,0)

	strokeWeight(3)

	noFill();

}

function draw(){

	ellipse(random(0,550),

		    random(0,550),

	        random(5,550));

    stroke (random(100, 255),

		    random(0, 255), 

	        random(100, 255));

}