/***************************************************
			      resets
***************************************************/

html, body, div, span, h1, h2, h3, h4, h5, h6, p, ol, ul, li, form, label, legend, caption, aside, details, figcaption, figure, footer,header, hgroup, menu, nav, section, summary {
    margin: 0;
	padding: 0;
	border: 0;
	outline: 0;
	font-weight: inherit;
	font-style: inherit;
	font-size: 100%;
	font-family: inherit;
	vertical-align: baseline;
}

ol, ul {
	list-style: none;
}

a:hover, a:active, a:visited { 
	outline: 0; 
}

a img {
	border:none;
}

a:link { 
	outline: 0; 
}

aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block
}
/***************************************************
			      allgemeine start styles
***************************************************/
html, body {
	padding:0; 
	margin:0; 
	width:100%; 
	height:100%;
}

body {
	background-size:cover;
}

a:hover {
	color:#000;
}

header, section, article, nav, footer {
	display:block; 
	padding:0; margin:0;
}
/*section*/
section {
	width:100%; 
	max-width:1200px; 
	min-width:320px; 
	height:940px; 
	position:relative;
	 margin:0 auto; 
	 background:transparent;
	-webkit-transition:0.5s;
	-moz-transition:0.5s;
	-o-transition:0.5s;
	transition:0.5s;
}
/*header*/
header {
	background:url(../images/logo.png) no-repeat; 
	height:150px;
}

header h1 {
	font:normal 40px/40px 'Shadows Into Light Two', arial, sans-serif; 
	color:#000; 
	margin:0; 
	padding:55px 0 0 150px;
	-webkit-transition:0.5s;
	-moz-transition:0.5s;
	-o-transition:0.5s;
	transition:0.5s;
}

header h2 {
	font:normal 15px/15px 'Shadows Into Light Two', arial, sans-serif; 
	color:#000; 
	margin:0; 
	padding:0 0 0 100px;
	-webkit-transition:0.5s;
	-moz-transition:0.5s;
	-o-transition:0.5s;
	transition:0.5s;
}
/*article*/
article {
	width:98.3%; 
	height:330px; 
	margin:0 1%; 
	position:absolute; 
	background:url(../images/content.png);
	box-shadow:0 15px 10px -15px rgba(0,0,0,0.6);
	-webkit-transition:0.5s;
	-moz-transition:0.5s;
	-o-transition:0.5s;
	transition:0.5s;
}

article img {
	display:block; 
	margin:10px; 
	float:left; 
	border:1px solid #ddd;
	box-shadow:0 15px 10px -15px rgba(0,0,0,0.6);
}

article h1 {
	font:normal 25px/30px 'Ubuntu Condensed', arial, sans-serif; 
	color:#000; 
	margin:0 auto; 
	padding:15px 0 0 25px;	
	text-shadow: 2px 3px 3px #c1c1c1;
}

article h3 {
	font:normal 20px/30px 'Ubuntu Condensed', arial, sans-serif; 
	color:#146aab; 
	margin:10px auto; 
	padding:0 0 0 25px;
}

article h2 {
	font:normal 30px/40px 'Ubuntu Condensed', arial, sans-serif; 
	color:#146aab; 
	margin:0 auto; 
	text-align:center; 
	padding:0;	
	text-shadow: 2px 3px 3px #c1c1c1;
}

article p {
	display:block; 
	clear:left; 
	padding:0 0 0 20px;
	margin:10px; 
	font:normal 16px/20px 'Ubuntu Condensed', arial, sans-serif; 
	text-shadow: 2px 3px 3px #c1c1c1; 
}

article:nth-of-type(1) {
	left:0; top:220px;
	-webkit-transition-delay: 0.5s;
	-moz-transition-delay: 0.5s;
	-o-transition-delay: 0.5s;
	transition-delay: 0.5s;
}

article:nth-of-type(2) {
	left:0%; top:560px;
}
/*navigation*/
nav {
	position:absolute; 
	left:0; 
	top:150px; 
	width:100%;
}

nav ul {
	padding:0; 
	margin:0 1%; 
	list-style:none; 
	position:relative;
}

nav ul li {
	display:block; 
	position:absolute; 
	top:0; 
	width:12%; 
	margin:0 0.25%;
	-webkit-transition:0.5s;
	-moz-transition:0.5s;
	-o-transition:0.5s;
	transition:0.5s;
}

nav ul li a {
	display:block;
	width:100%; 
	text-decoration:none; 
	text-align:center; 
	height:40px; 
	background-color:#069; 
	color:#fff; 
	white-space:nowrap; 
	border-radius:8px;
	text-shadow: 1px 1px 1px #000;
	box-shadow:0 10px 5px -10px rgba(0,0,0,0.6);
	font:normal 18px/40px 'Ubuntu Condensed', arial, sans-serif;
	background-image: -webkit-gradient(linear, 0% 0%, 0% 90%, from(rgba(255, 255, 255, 0.7)), to(rgba(255, 255, 255, 0)));
	background-image: -moz-linear-gradient(-90deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0));
	background-image: -o-gradient(to bottom, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0));
	background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0));
}

nav ul li a:hover {
	background-color:#c60;
	text-shadow: 0px 0px 0px #000;
}

nav ul li .aktiv {
	background-color:#c60;
}

nav ul li:nth-of-type(1) {
	left:0; 
	transition-delay:0.7s;
}
nav ul li:nth-of-type(2) {
	left:12.5%; 
	transition-delay:0.6s;
}
nav ul li:nth-of-type(3) {
	left:25%; 
	transition-delay:0.5s;
}
nav ul li:nth-of-type(4) {
	left:37.5%; 
	transition-delay:0.4s;
}
nav ul li:nth-of-type(5) {
	left:50%; 
	transition-delay:0.3s;
}
nav ul li:nth-of-type(6) {
	left:62.5%; 
	transition-delay:0.2s;
}
nav ul li:nth-of-type(7) {
	left:75%; 
	transition-delay:0.1s;
}
nav ul li:nth-of-type(8) {
	left:87.5%; 
	transition-delay:0s;
}
/*footer*/
footer {
	width:100%; 
	min-width:320px; 
	position:fixed; 
	height:30px; 
	bottom:0; 
	left:0; 
	text-align:center; 
	background:#fff;
	box-shadow:0 -5px 10px rgba(0,0,0,0.4);
}

footer p {
	display:block; 
	padding:0; 
	margin:0; 
	font:normal 12px/30px 'Ubuntu', arial, sans-serif; 
	color:#666;
}

@media only screen and (max-width:1024px) {
/*header*/
header h1 {
	font:normal 40px/40px 'Shadows Into Light Two', arial, sans-serif; 
	padding-top:25px;
}

header h1 span:nth-of-type(2) {
	display:block;
}
/*section*/
section {
	height:980px;
}
/*article*/
article {
	width:98.3%;
}

article:nth-of-type(1) {
	left:0%; 
	top:260px;
}
article:nth-of-type(2) {
	left:0%; 
	top:600px;
}
/*navigation*/
nav ul li {
	width:24.5%; 
	margin:0 0.25%;
}

nav ul li:nth-of-type(1) {
	left:0%;
}
nav ul li:nth-of-type(2) {
	left:25%;
}
nav ul li:nth-of-type(3) {
	left:50%;
}
nav ul li:nth-of-type(4) {
	left:75%;
}
nav ul li:nth-of-type(5) {
	left:0%; 
	top:45px;
}
nav ul li:nth-of-type(6) {
	left:25%; 
	top:45px;
}
nav ul li:nth-of-type(7) {
	left:50%; 
	top:45px;
}
nav ul li:nth-of-type(8) {
	left:75%; 
	top:45px;
}
}

@media only screen and (max-width:1024px) and (orientation:portrait) {
.sitzplan { visibility:hidden;}
/*header*/
header h1 {
	font:normal 30px/30px 'Shadows Into Light Two', arial, sans-serif; 
	padding-top:40px;
}

header h1 span {
	display:block;
}
/*section*/
section {
	height:1070px;
}
<!--article-->
article {
	width:98%;
}

article:nth-of-type(1) {
	left:0%; 
	top:350px;
}

article:nth-of-type(2) {
	left:0%; top:690px;
}
/*navigation*/
nav ul li {
	width:49.5%; 
	margin:0 0.25%;
}

nav ul li:nth-of-type(1) {
	left:0%;
}
nav ul li:nth-of-type(2) {
	left:50%;
}
nav ul li:nth-of-type(3) {
	left:0%; 
	top:45px;
}
nav ul li:nth-of-type(4) {
	left:50%; 
	top:45px;
}
nav ul li:nth-of-type(5) {
	left:0%; 
	top:90px;
}
nav ul li:nth-of-type(6) {
	left:50%; 
	top:90px;
}
nav ul li:nth-of-type(7) {
	left:0%; 
	top:135px;
}
nav ul li:nth-of-type(8) {
	left:50%; 
	top:135px;
}
}

@media only screen and (max-width:480px) {
/*header*/
header h1 {
	font:normal 20px/20px 'Shadows Into Light Two', arial, sans-serif; 
	padding-top:60px;
}

header h1 span {
	display:block;
}
/*section*/
section {
	height:auto;
}
/*article*/
article {
	width:98%;
	height:auto;
}
article:nth-of-type(1) {
	left:0%; 
	top:350px;
}
article:nth-of-type(2) {
	left:0%; top:690px;
}
/*navigation*/
nav ul li {
	width:49.5%; 
	margin:0 0.25%;
}

nav ul li:nth-of-type(1) {
	left:0%;
}
nav ul li:nth-of-type(2) {
	left:50%;
}
nav ul li:nth-of-type(3) {
	left:0%; 
	top:45px;
}
nav ul li:nth-of-type(4) {
	left:50%; 
	top:45px;
}
nav ul li:nth-of-type(5) {
	left:0%; 
	top:90px;
}
nav ul li:nth-of-type(6) {
	left:50%; 
	top:90px;
}
nav ul li:nth-of-type(7) {
	left:0%; 
	top:135px;
}
nav ul li:nth-of-type(8) {
	left:50%; 
	top:135px;
}
footer { 
	visibility:hidden;
	
}
}