html {
	font-family: Charter, "Bitstream Charter", "Sitka Text", Cambria, serif;
	font-size: 17px;
	line-height: 1.5;
}

body {
	font-size: 1rem;
	margin: auto;
	max-width: 68ch;
	padding: 2ch;
}

h1 {
	margin-top: 1.5em;
}

figcaption {
	font-size: 85%;
	font-style: italic;
	opacity: 0.7;
	text-align: center;
}

figure {
	margin: 0;
	text-align: center;
}

main img {
	border: solid 1px #777;
	max-width: 120%;
	margin-left: -10%;
	height: auto;
}

footer {
	margin-top: 3em;
	text-align: center;
}

footer img {
	max-width: 1em;
	max-height:1em;
	margin-left: .2em;
	vertical-align: text-bottom;
}

@media (min-width: 580px) {
	body {
		font-size: 1.05rem;
	}
}

@media (min-width: 768px) {
	body {
		font-size: 1.1rem;
	}
}