app.css

body {
  background-color: #222;
  margin: 0;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

#RotatePhoneIcon {
  top: -180px;
  left: -180px;
}

#PlayButtonStyledInAppCSS {
  /* Play button is an 80 pixel square that we want to center. */
  top: -40px;
  left: -40px;
}

#PlayButtonStyledInAppCSS:active {
  /* When clicked, we nudge the play button down for visual feedback. */
  top: -38px;
  left: -40px;
}

#AddToHomeScreenStyledInAppCSS:active {
  background-color: #222 !important;
  color: white !important;
}

canvas {
  image-rendering: optimizeSpeed;
  image-rendering: -moz-crisp-edges;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: optimize-contrast;
  image-rendering: pixelated;
  -ms-interpolation-mode: nearest-neighbor;
}

html,
body {
  touch-action: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}