body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: black;
}

canvas {
  display: block;
}

timeTravel {
  font-size: 16px;
  text-align: center;
  padding: 5px;
  border: 2px solid #000;
  border-radius: 5px;
}

button {
  text-align: center;
  border-radius: 5px;
}