html, canvas {
	-webkit-touch-callout: none; /* iOS Safari */
	-webkit-user-select: none; /* Safari */
	-khtml-user-select: none; /* Konqueror HTML */
	-moz-user-select: none; /* Old versions of Firefox */
	-ms-user-select: none; /* Internet Explorer/Edge */
	user-select: none; /* Chrome, Edge, Opera and Firefox */
	-webkit-tap-highlight-color: rgba(255, 255, 255, 0); /* mobile webkit */
}