function setup() {

  createCanvas(windowWidth,

               windowHeight);

  background(234, 234, 234);

}



function draw() {

  fill(random(10, 100), random(100, 255), random(200, 255), random(0, 255));

  noStroke();

  rect(random(0, width), random(0, width) , random(20, 80), random(20, 80));

noFill();

  stroke(random(200, 250), random(10, 100), random(200, 255), random(0, 255));

  triangle(random(0, width), random(0, width) ,random(0, width) );

}