html, body {
  padding: 0;
  margin: 0;
  overflow: hidden;
  height: 100%;
  background: #000000;
  color: white;
}

body {
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}

html, body, canvas {
  touch-action-delay: none;
  touch-action: none;
}