body {
	margin: 0;
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: white;
}

#colour {
    mix-blend-mode: difference;

	border: none;
	outline: none;
	background: black;
	flex: 1;

	color: white;
	font-family: 'JetBrains Mono', monospace;
	font-size: 2rem;
	text-align: center;
}