html, body {
     /* touch-action: manipulation; */
     touch-action: none;
}
body {
     background-color: black;
     -webkit-tap-highlight-color: transparent;
     -webkit-touch-callout: none;
     -webkit-user-select: none;
     -khtml-user-select: none;
     -moz-user-select: none;
     -ms-user-select: none;
     user-select: none;
     overflow: hidden;
}
canvas {
     -webkit-tap-highlight-color: transparent;
}