html, body {
     /* touch-action: manipulation; */
     touch-action: none;
}
body {
     background-color: #9900CC;
     -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;
}

#progress {
    height: 10px;
    background: rgb(255, 255, 255);
    position: absolute;
    transition: width 0.5s ease;
    top: 80%;
    opacity: 1;
    z-index: 2;

}
canvas {
     -webkit-tap-highlight-color: transparent;
}