html, body {
  margin: 0;
  padding: 0;
  background: black;
}

canvas {
  display: block;
}

div#info {
  display: none;
  position: absolute;
  top: 0px;
  left: 0px;
  padding: 10px;
}

div#infoText {
  color: white;
  background: #222;
  padding: 10px;
}

div#infoHide {
  display: none;
  position: absolute;
  bottom: 0px;
  background: white;
  opacity: 0.5;
  padding: 20px;
}