canvas {
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
	z-index: 800;
}

.disable-selection {
		  user-select: none;
     -moz-user-select: none; /* Firefox */
      -ms-user-select: none; /* Internet Explorer */
   -khtml-user-select: none; /* KHTML browsers (e.g. Konqueror) */
  -webkit-user-select: none; /* Chrome, Safari, and Opera */
  -webkit-touch-callout: none; /* Disable Android and iOS callouts*/
}