html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background-color: #000000;
	  touch-action: none;
	-ms-touch-action: none;
	-webkit-touch-callout: none;
	-webkit-touch-callout: none;
    -webkit-user-select: none;
     -khtml-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
}