aside, article, footer, section, nav, header {
	display:block;
	margin:0;
	padding:0;
}

p, h1, h2, h3{
	margin:0;
	padding:0;	
}

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

html{
	background-image: url("Imagenes/escudo.jpg");
}

body{
	background-color: black;
	margin:0 auto;
	font-family: Verdana, Geneva, sans-serif;
}

header{
	height: 90px;
	background: green;
	background-image: url("Imagenes/escudo.jpg");
	background-size: 50px;
}

article{
	background-image:url(Imagenes/fondo1.jpg);
	background-size:cover;
	height:500px;
	width:700px;
	float: left;
	color: white;
}

aside{
	height:500px;
	color: white;
	width:700px;
	float: right;
	background-image:url(Imagenes/fondo1.jpg);
	background-size:cover;
}

footer{
	height:60px;
	background:green;
	clear: both;
	text-align: center;
}
h1{
	color: white;
	font-size: 2em;
	text-align: center;
	padding: 20px;
}

h2{
	text-align:center;
	
}

h3{
	text-align: center;
	}

.izq {
	float:left;
	margin-right: 10px;
}

.der {
	float:right;
	margin-left: 10px;
}

a {
	text-decoration:none;
	color: white;