body {
  margin: 0;
  background-color: #000000;
  color: #ffffff;
}

a {
  color: #ffffff;
}

#title {
  text-align: center;
}

#canvasOutput {
  display: block;
  margin: 0 auto;
  width: 640px;
}

#buttonPlay{
  margin:  0 auto;
  width: 10rem;
  display: block;
  border: none;
  padding: 1rem;
  background-color: #ffffff;
  color: #000000;
}