nav{
	float:left;
	padding:2em;
	border-right:1px solid black;
}
article{
	margin: auto auto auto 20%;
}
a{
	text-decoration: none;
}
a:hover{
	text-decoration:underline;
}
nav>ol{
	list-style-type: none;
}
body{
	line-height:1.6;
	font-size:18px;
	color:#444;
	padding:0 10px
}
h1,h2,h3{
	line-height:1.2
}