body{
	font-family: sans-serif;
	margin: 40px auto;
	max-width: 650px;
	line-height: 1.6;
	font-size: 18px;
	padding: 0 10px;
}
header>p{
	font-style:italic;
}
h1,h2,h3{
	font-family: serif;
	line-height:1.2;
}
abbr{
	text-transform: lowercase;
	font-variant: small-caps;
}
ol{
	counter-reset: item;
	display: table;
	padding-left: 0;
}
ol>li{
	display: table-row;
	padding-left: 0em;
}
ol>li:before{
	content: counters(item, ".") ". ";
	counter-increment: item;
	display: table-cell;
	padding-right: 0.5em;
}
a {
	color: #3572b0;
	text-decoration: none;
}
a:hover {
	text-decoration: underline;
}