size(400,400);
background(100,101,102);
ellipseMode(CENTER_DIAMETER);

fill(110,111,112);
noStroke();
ellipse(320,200,30,30);

fill(210,211,212);
noStroke();
ellipse(80,200,30,30);

stroke(200,200,200);
line(300,200,300,300);
line(100,100,100,200);


//line(0,400,400,0);
line(0,0,400,400);

line(200,80,200,320);

noFill();
rect(20,100,360,200); //(left,top,left+width,top+hight)