@media (prefers-color-scheme: dark){
		body {
			background: #000
		}
	}
	body {
	margin: 1em auto ;
	max-width: 40em ;
	padding: 0.6em 3.2em ;
	font: 1.2em/1.6 sans-serif ;
}
h1, h2, h3 {
	line-height: 1.2
}
img {
    	width: 60% ;
    	margin-left: 20% ;
    	margin-right: 20% ;
}
@media print {
	body {
		max-width: none
	}
}