html,body {
  margin:0;
  padding:0
}
body {
	text-align:center;
	font-family: arial, sans-serif;
	font-size: 12px;
	background-image: url(../a_images/background.png);
	background-repeat: repeat-x;
	background-position: left top;
}
body, table { /* Why do tables use larger font otherwise? */
    
}
table {
	border: 0px none;
	border-width: 0px;
	vertical-align: top;
	font-size: 12px;
}
p {
  margin:0
}
a {
	color: #264C99;
	text-decoration: none;
}
/*a:visited {
	color: #FFFFFF;
}*/

a:hover {
	color: #264C99;
	text-decoration: underline;
	font-weight: bold; 
}
#header {
	height:215px;
	background-image: url(../a_images/header.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
#logo {
	height: 65px;
	padding-top: 55px;
	padding-left: 80px;
}

#container {
  width:910px;
  margin:0 auto;
  text-align:left
}

#content {
	float:left;
	width:678px;
	font-size: 14px;
	border: 1px solid #264C99;
	background-color: #FFFFFF;
	background-image: url(../a_images/content_background.png);
	background-repeat: no-repeat;
	background-position: left top;
  padding: 40px 20px 20px 20px;
}

#content h1 {
	line-height:1.4;
	font-size: 1.7em;
	font-weight: bold;
	color: #000000;
	margin-bottom: 20px;
}

#content h2 {
	line-height:1.2;
	font-size: 1.4em;
	font-weight: bold;
	color: #000000;
	margin-top: 10px;
}
#content h3 {
	font-size: 1.3em;
	font-weight: bold;
	color: #000000;
	margin-top: 10px;
}
#content.submenu {
	width:488px;
}

#footer {
	clear:both;
	width:100%;
	background-image: url(../a_images/footer_background.png);
	background-repeat: repeat-x;
	background-position: left top;
	height: 95px;
	padding-top: 48px;
	    
}

#footerinhalt {
  width:910px;
  margin:0 auto;
  text-align:left
}

#footer a {
	margin:0;
	color: #000000;
	text-decoration: underline;
}

#blackboard {
  float:right;
  width:180px
}

#blackboard_head {
	height:30px;
	background-image: url(../a_images/blackboard_head.png);
	background-repeat: no-repeat;
	background-position: left top;
	padding-top: 10px;
	padding-left: 15px;
	color: #FFFFFF;
	font-size: 14px;
	font-weight: bold;
}

#blackboard_content {
	background-image: url(../a_images/blackboard_content.png);
	background-repeat: repeat-y;
	background-position: left top;
	color: #FFFFFF;
	padding-left: 15px;
	padding-right: 15px;
}

#blackboard_bottom {
	height:18px;
	background-image: url(../a_images/blackboard_bottom.png);
	background-repeat: no-repeat;
	background-position: left top;
}

#blackboard a {
	color: #CCCCCC;
	font-size: 12px;
	padding-top: 5px;
}

.date {
	font-size: 12px;
	color: #FFFFFF;
	padding-bottom: 3px;
}

h1 {
	font-family:Verdana, Arial, Helvetica, sans-serif;
	font-size:16px;
	font-weight:bold;
	margin:0;
	padding:0;
}

hr {
	border:none;
	border-top:1px solid #CCCCCC;
	height:1px;
	margin-bottom:25px;
}

#mainmenu {
	position: absolute;
	display: block;
	top:152px;
	height: 38px;
	font-size: 12px;
	font-weight: bold;
	font-family: Arial,Verdana,Helvitica,sans-serif;
	/*margin-top: 40px; 33px*/
}

#mainmenu ul {
	margin:0;
	padding:0;
	list-style-type:none;
	width:auto;
}

#mainmenu ul li {
	display:block;
	float:left;
	margin:0 1px 0 0;
}

#mainmenu ul li a {
	display:block;
	float:left;
	color:#FFFFFF;
	text-decoration:none;
	padding:6px 8px 0 8px;
	height:38px;
}

li.a_3{
	color: #FFFFFF;
	background-color: transparent;
	background-image: url(../a_images/mainmenu_background.png);
	background-repeat: no-repeat;
	background-position: center top;
}
#mainmenu ul li a:hover, #mainmenu ul li a.active {
	color:#FFFFFF;
	background-color: transparent;
	background-image: url(../a_images/mainmenu_background.png);
	background-repeat: no-repeat;
	background-position: center top;
}
#mainmenu ul li a:active {
	color:#FFFFFF;
	background-color: transparent;
	background-image: url(../a_images/mainmenu_background.png);
	background-repeat: no-repeat;
	background-position: center top;
}



.bild_fliesstext {
	padding-right: 15px;
	padding-bottom: 5px;
	float: left;
}
.bild_fliesstext_links {
	padding-left: 15px;
	padding-bottom: 5px;
	float: right;
}
ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

#submenu {
	float:left;
	width:178px;
	background-color: #FFFFFF;
	background-image: url(../a_images/submenu_background.png);
	background-repeat: no-repeat;
	background-position: left top;
	border: 1px solid #264C99;
	margin-right: 10px;
	padding-top: 29px;
}

#submenu li a {
	height: 30px;
	text-decoration: none;
	display: block;
	padding-left: 12px;
	padding-top: 7px;
}
	
#submenu li a:link/*, #submenu li a:visited */{
	color: #264C99;
	display: block;
	/*background: url(../a_images/menu.png);*/
	padding: 7px 0 0 12px;
}
	
#submenu li a:hover/*, #submenu ul li a.active*/ {
	color: #FFFFFF;
	background: url(../a_images/menu.png); 
	/*padding: 7px 0 0 12px;*/
	font-weight: bold;
}

#submenu li a:active {
	color: #FFFFFF;
	
} 

li.sub_3 a{
	color: #FFFFFF;
	background: url(../a_images/menu.png) ;
	
	font-weight: bold;
}

<style type="text/css">
img, div
{
  behavior: url(asg_cms/iepngfix.htc);
}
</style>