canvas {
  position: relative;

  border: 1px solid seagreen;
}

#startScreen {
  position: absolute;
  top:0;
  left: 0;

  background-color: white;
}

#resetButton {
  cursor: pointer;
  transform: scale(1.5);
  display: none;
  position: absolute;
  top: 30%;
  left: 48%;
}

.hidden {
  display: none;
}