.nav-open {
	display: none;
	font-size:2em;
}

#nav {
	position: relative;
	float: left;
	width: 96%;
	margin: 1% 2%; /* my setting zur zentrierung */
	background: #333;
	font-family: Arial, sans-serif;
	-webkit-border-radius: 5px;
	-moz-border-radius: 5px;
	border-radius: 5px;
	-webkit-box-shadow: 0 0 5px #888;
	-moz-box-shadow: 0 0 5px #888;
	box-shadow: 0 0 5px #888;
	z-index:1;
}

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

#nav ul li {
	float: left;
}

#nav ul li.close {
	display: none;
}

#nav ul li a {
	padding: 10px 15px;
	display: block;
	color: #fff;
	text-decoration: none;
}

#nav ul li a:hover {
	background: #111;
	color: #aaa;
}

span.selected{ /* in Überschrift formatiert wie ein markierter Navi-Menüpunkt */
	background:#777; border-bottom:3px solid red; box-sizing: border-box; color:#fff;
	font-weight:normal; font-size:.7em; font-family: Arial, sans-serif;padding:.6em .8em;
}

/* @media screen and (max-width: 640px) { */
/* @media screen and (orientation: portrait){ */

@media screen and (orientation: portrait){ /*  ab hier für Hochformat ------------------------------------ */
	.nav-open {
		position:relative; /* fixed; */
		top: 0;
		left: 0;
		background: #333;
		font-family: Arial, sans-serif;
		display: block;
		width: 96%;
		margin: 1% 2%; /* my setting zur zentrierung */
																				font-size:400%;
	}

	.nav-open a {
		padding: 10px 15px;
		display: block;
		color: #fff;
		text-align: center;
		text-decoration: none;
	}
		
	#nav {
		position: fixed;
		top: -200%;
		left: 0;
		float: none;
		width: 100%;
		margin: 0;
		padding: 0;
		-webkit-border-radius: 0;
		-moz-border-radius: 0;
		border-radius: 0;
		-webkit-transition: all 1s ease-in-out;
		-moz-transition: all 1s ease-in-out;
		-o-transition: all 1s ease-in-out;
		-ms-transition: all 1s ease-in-out;
		transition: all 1s ease-in-out;
																		font-size:400%;
	}

	#nav:target {
		top: 0;
	}
	
	

	#nav ul li {
		float: none;
		text-align: center;
		padding: 0% 5%; /* my setting zur zentrierung */
		border-bottom: 2px solid #555;
	}

	#nav ul li.close {
		display: block;
	}

	#nav ul li:last-child {
		border-bottom: 	none;
	}

} /*  bis hier für Hochformat  ------------------------------------ */