* {
	margin:0;
	padding:0;
}


html,body {
	
	background:#FFFFFA;
}

header {
		width:100%;
	display:block;


-webkit-border-radius: 19px;

-moz-border-radius: 19px;

border-radius: 19px;

-webkit-box-shadow: -13px -13px 2px #800000;

-moz-box-shadow: -13px -13px 2px #800000;

box-shadow: -13px -13px 2px #800000;

border: 0px solid #A52A2A;

background-color: #DDDDDD;

padding: 10px;

font-family: Verdana, Geneva, sans-serif;

font-size: 12pt;

color: #888888;

text-align: center;


}


header nav {
	width:90%;
	max-width:1000px;
	margin:20px auto;
	background:#024959;
}
 
.menu_bar {
	display:none;
}
 
header nav ul {
	overflow:hidden;
	list-style:none;
}
 
header nav ul li {
	float:left;
}
 
header nav ul li a {
	color:#fff;
	padding:20px;
	display:block;
	text-decoration:none;
}
 
header nav ul li span {
	margin-right:10px;
}
 
header nav ul li a:hover {
	background:#037E8C;
}
 
section {
	padding:20px;
}
 
@media screen and (max-width:800px ) {
	header nav {
		width:80%;
		height:100%;
		left:-100%;
		margin:0;
		position: fixed;
	}
 
	header nav ul li {
		display:block;
		float:none;
		border-bottom:1px solid rgba(255,255,255, .3);
	}
 
	.menu_bar {
		display:block;
		width:100%;
		background:#ccc;
	}
 
	.menu_bar .bt_menu {
		display:block;
		padding:20px;
		background:#024959;
		color:#fff;
		text-decoration:none;
		font-weight: bold;
		font-size:25px;
		-webkit-box-sizing:border-box;
		-moz-box-sizing:border-box;
		box-sizing:border-box;
	}
 
	.menu_bar span {
		float:right;
		font-size:40px;
	}
}







section {
	width: 70%;
	background: #FFFFFF;
	float: left;
	overflow: auto;
	padding-bottom: 60px;
	
border-radius: 0px 0px 83px 0px;
-moz-border-radius: 0px 0px 83px 0px;
-webkit-border-radius: 0px 0px 83px 0px;
border: 0px outset #000000;


}

aside {
	float: right;
	
	width: 25%;
	

	/*Si quisieramos ocultar el contenido relacionado pondriamos visibility a hidden*/
	/*visibility: hidden;*/
}
footer {
	position: relative;
	margin-top: -50px;
	height: 40px; 
	padding:5px 0px;
	clear: both;
	background: #000000;
	text-align: center;
	color: #ffd700;