createCanvas(400, 400);

}

​

function draw() {

  background(0);

  if(mouseX>320 && mouseX<340 && mouseY>320 && mouseY<340) {

    background(255);

    textSize(40);

    text("Congratulations! You found the hidden level.", 50, 50, 300, 400);

    rect(150,300, 100,50);

    textSize(15);

    text("Try and click me", 160, 310, 90, 40);

  }

}