body {
	margin:0;
	padding:0;
}

menu {
	display: block;
	/*border:1px solid black;*/
	height:100px;
	background-color:rgba(255,255,255,0.7);
	position:fixed;
	top:0px;
	left:0px;
	width:100%;
	margin:0px;
	padding:0px;
	box-shadow:0px 0px 10px rgba(0,0,0,0.5);
	z-index:40;
}

header {
	display: block;
	background-image:url(../images/plans2.jpg); 
	background-size:cover;
	height:400px;
}

footer {
	display:block;
	background-color:rgba(0,0,0,0.8);
	color:white;
	text-align:center;
	line-height:1.5;
	padding-top:5px;
	padding-bottom:5px;
	font-size:12px;
	box-shadow:0px 0px 10px rgba(0,0,0,0.8);
	position:fixed;
	bottom:0;
	width:100%;
}

pagina {
	display:block;
	width:800px;
	margin:0 auto;
	margin-top:20px;
	margin-bottom:70px;
}