body {
    margin: 0 auto; 
	background-color: rgb(220, 220, 220); 
    font-family: Verdana; 
    font-size: 1em;
	color: rgb(67, 67, 67);
	padding-bottom: 3em;
    }
aside img { border: 0; margin: 0.3em}
a {
	font-family: Verdana;
	color: rgb(35, 80, 40);
	font-size: 1em;
	font-style: normal;
	font-weight: bold;
	text-decoration:none;
}
a:link {color: rgb(35, 80, 40);}
a:hover {color: rgb(35, 120, 40);}
a:active {color: rgb(35, 120, 40);}
a:visited {color: rgb(35, 80, 40);}

#header-links {
	float: left;
	width: 10%;
	min-width: 5em;
	height: 8.2em;
	margin-left: 2%;
}
#header-mitte {
	float: left;
	width: 64%;
	height: 8.2em;
}
#header-rechts {
	float: left;
	width: 10%;
	min-width: 100px;
	height: 8.2em;
	margin-right: 2%;
}
#header-name {font-size: 2em; font-weight:bold;margin-top: 0.9em;margin-bottom: 0.2em;}
#header-titel {font-size: 1.1em; margin-top: 0.2em;}

main {
    display: block;
	margin-left: 18em;
	margin-bottom: 2em;
	min-width: 14em; /* Mindestbreite (der Ueberschrift) verhindert Anzeigefehler in modernen Browsern */
}

header {
	display: flex;
	flex-direction: row;
	float: clear-both;
	height: 9em;
	border-bottom: solid 1px;
	margin-bottom: 0.3em;
}
nav {
	float: left;
	width: 15em;
}
footer {
	position:fixed;
	padding: 10px;
	bottom:0;
	left: 0;
	right:0;
	background: rgb(220, 220, 220);
}
nav ul {
  margin-left:14px; 
  margin-top:5px; 
  padding-left:2px;	  
  width: 16em;
}
nav li {
    display: block;
	margin-bottom: 0.4em;
    }

@media screen and (max-width: 40em) {
main { margin-left: 0.2em;  clear: both;}
#header-name {margin-top: 0.7em;}
nav {
		position: relative;
		min-height: 40px;
	}
nav ul {
		width: 16em;
		padding: 1.2em 0;
		margin-left: 0.1em;
		/* position: absolute; */
		overflow: hidden;
		top: 0;
		left: 0;
		border: solid 0px rgb(35, 80, 40);
		background: rgb(220, 220, 220) no-repeat 10px 11px;
		border-radius: 5px;
	}	
nav li {
        /* display: block; 
        width: 50%; */
		display: none; /* hide all <li> items */
		margin: 0;
      }
/* nav li {
		display: flex;
        width: 100%;
    }  */
nav li a {
		display: flex;
        width: 100%;
}	
nav ul:hover li {
		display: block;
		margin-bottom: 0.6em;
		/* margin: 0 0 5px; */
}
nav ul .mobilmenu {
		display: block;
		margin-bottom: 0.4em;
		/* margin: 0 0 5px; */
}
nav ul::before {
	content: " ";
	position: absolute;
	top: 0.2em;
	left: 0.1em;
	width: 1em;
	height: 0.2em;
	border-top: 0.6em double #000077;
	border-bottom: 0.2em solid #000077;
	}
}