@charset "utf-8";
.caja {
	width:80%;
	margin-left:auto;
	margin-right:auto;
}
.caja header {
	background-color: LightGray;
	margin-bottom:0.2em;
}
h1 {
	margin:0;
}
ol {
	color:blue;
	margin:0;
	padding:0;
	margin-bottom:0.2em;
}
nav {
	display:block;
	padding:1em;
	background-color:LightGray;
	text-align:left;
	margin-right:0.2em;
	text-decoration:none;
	color:red;
}
article {
	background-color:LightCoral;
}