html,
body {
	margin: 0;
	padding: 0;
}

body {
	font-family: 'Times New Roman', Times, serif;
	font-size: 1em;
}

article,
main,
footer,
header {
	max-width: 800px;
	margin: 0 auto;
}

h1 {
	font-size: 200%;
}

h2 {
	font-size: 180%;
}

h3 {
	font-size: 160%;
}

h4 {
	font-size: 140%;
}

h5 {
	font-size: 120%;
}

h6 {
	font-size: 100%;
}

.highlighter-rouge {
	border: 1px solid #ddd;
	padding: 0 10px;
}

@media only screen and (max-width:768px) {
	body {
		padding: 0 20px
	}
	footer,
	header,
	nav {
		text-align: center
	}
}

@media print {
	body {
		padding: 50px auto
	}
}