html,body {
	margin: 0;
	padding: 0;
	max-height: 100vh;
	max-width: 100vw;
}

main {
	text-align: center;
/* 	width: 100%; */
	max-height: 100vh;
	max-width: 100vw;
}

canvas {
            width: auto !important;
            height: auto !important;
            max-width: 100%;
            max-height: 100vh;
}