body {
  margin: 0;
  background: black;
  color: white;
  font-family: Arial;
  text-align: center;
}

canvas {
  display: block;
  margin: auto;
  background: radial-gradient(circle, #05070f, black);
}

#ui {
  margin: 10px;
}

#aiBox {
  margin-top: 10px;
}