html {
  cursor: none;
}

body {
  background: #212121 url("pink dust.png") repeat;
}

#gameCanvas {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
}