html,
body {
    touch-action: manipulation;
    -ms-touch-action: manipulation;
}

html.game-no-zoom-strict,
html.game-no-zoom-strict body {
    touch-action: pan-x pan-y;
    -ms-touch-action: pan-x pan-y;
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}