void setup(){

size(250,250);
background(10,30,90);
}

center line
void draw (){
stroke(200,200,10,200);
fill(200,200,10,1);
rect(90,180,100,50);
strokeWeight(10);
stroke(300,40,20);
line(1,200,200,200);

bottom line
strokeWeight(2);
point(random(50),50);

top line
strokeWeight (10);
point (random(400),70);

rectangle of dots
stroke(200,200,10);
strokeWeight(3);
point(random(100),random(120));

strokeWeight(7);
if(mousePressed){
point(mouseX,mouseY);
}

if(keyPressed){
background(10,30,90);


}
}