body {
	font-family: sans-serif;
}

header, main, footer {
    max-width: 800px; margin: 0 auto; padding: 1rem 1.5rem; box-sizing: border-box;
    }
    
header {
	text-align: center; padding: 1rem 1rem 1rem 1rem;
}

header img {
	max-width: 50%;
}

main article {
	border: 1px solid lightgray;
	padding: 1rem 1rem;
}

.date {
	opacity: 0.5;
}

footer {
	text-align: center;
}