#web{
	width::960px;
	margin:0 auto;
	box-shadow:0px 0px 10px #000;
	border-radius:20px;
} 

header{
	padding:1px;
	background-color:#3B5998;
	text-align:center;
	color:white;
	border-radius:20px 20px 0px 0px;
}

nav{
	background-color:#132D63;
	padding:2px;
	text-align:center;
}

nav ul{
	list-style-type:none;
	margin:0;
	padding:0;
}

nav ul>li{
	display:inline-block;
	width:150px;
	color:white;
	background-color:#6E8CCC;
	border:1px outset #6E8CCC;
}

#main{
	overflow:auto;
	background-color:#6E8CCC;
}

#contenido{
	background-color:#879DCC;
	min-height:450px;
	width:78%;
	padding:1%;
	float:left;
}

aside{
	background-color:#6E8CCC;
	min-height:450px;
	width:18%;
	padding:1%;
	float:right;
}

aside section{
	text-align:center;
	margin:2px;
	border-radius:20px;
	min-height:150px;
	background-color:antiquewhite;
}

footer{
	background-color:#3B5998;
	text-align:center;
	color:white;
	padding:10px;
	border-radius:0px 0px 20px 20px;
}

#contenido section{
	width:35%;
	float:left;
	padding:2%;
	border:1px dashed #3B5998;
	margin-left:40px;
}

article{
	text-align:justify;
}

article>div{
	padding:2px;
}