body { 	
	background-color: #DDF9CC; 
	font-family: Arial, Sans-Serif;
	padding: 30px;
}

h1 {	
	text-align: center;
	margin-top: 10px;
	margin-bottom: 10px;
}

h2 {	
	text-align: center;
	font-style: italic;
	text-decoration: underline;
	margin-top: 20px;
	margin-bottom: 20px;
}

.zentriert {
	display: block;
	margin-left: auto;
	margin-right: auto;
}

#logo {
	width: 80px;			
}

nav {
	background-color: green; 
	display: inline-block;
}

nav ul { 
	list-style-type: none;
	padding-left: 0;	
	margin-top: 2px;
	margin-bottom: 4px;
}

nav li {
    display: inline-block;
    margin-left: 50px;
} 

nav a {
    font-size: 0.95em;
    color: white;
    text-decoration: none;
    padding-left: 3px;
    padding-right: 3px;
}

nav li:last-of-type {
	margin-right: 50px;
}

nav a:hover {
	background-color: white;
	color: green;
}

#page {
	width: 80%;
	max-width: 900px;
	min-width: 800px;
	margin: 0 auto;
	padding: 15px 50px 25px; 
	background-color: white;
	box-shadow: 2px 2px 15px #999999;
}

main {
	margin-top: 25px;
}

#page_header {
	display: table;
	margin-left:auto;
	margin-right:auto;
	padding-right: 90px;
	border-bottom-style: solid;
	border-bottom-width: 2px; 
	border-bottom-color: #D8D8D8;
	color: green;	
	text-align: center;
}

#page_header > div {
	display: table-cell;
	vertical-align: middle;
	padding: 20px 10px;
}