nav {
    margin-left: 5%;
	margin-top: 10px;
	float: left;
	width: 78.47916666666667%;
}
nav ul {
    padding: 0px;
    margin: 0px;
}

nav ul:after {
    clear: both;
    content: " ";
    display: block;
    font-size: 0;
    height: 0;
    visibility: hidden;
}

nav ul li {
    list-style: none;
    float:left;
}
nav ul li a {
	display:block;
	margin-right: 3px;
	margin-bottom: 3px;
    text-decoration: none;
	font-weight: 500;
	color: #2E2E2E;
	padding: 8px 17px 12px 15px;
	-moz-padding:8px 17px 10px 15px;
	
	-webkit-border-top-left-radius: 3px;
	-moz-border-top-left-radius: 3px;
	border-top-left-radius: 3px;
	
	-webkit-border-top-right-radius: 3px;
	-moz-border-top-right-radius: 3px;
	border-top-right-radius: 3px;

    transition: background 0.4s ease-out; /* explorer 10 */
    -webkit-transition: background 0.4s ease-out; /* chrome & safari */
    -moz-transition: background 0.4 ease-out; /* firefox */
    -o-transition: background 0.4 ease-out; /* opera */
}

nav ul li.cat1:hover a, nav ul li.cat1:hover > ul li a  {
    background-color: rgba(43,20,117,0.9);
}
nav ul li.cat2:hover a, nav ul li.cat2:hover > ul li a  {
    background-color: rgba(43,20,117,0.9);
}
nav ul li.cat3:hover a, nav ul li.cat3:hover > ul li a {
    background-color: rgba(43,20,117,0.9);
}
nav ul li.cat4:hover a, nav ul li.cat4:hover > ul li a {
    background-color: rgba(43,20,117,0.9);
}
nav ul li.cat5:hover a, nav ul li.cat5:hover > ul li a {
    background-color: rgba(43,20,117,0.9);
}
nav ul li.cat6:hover a, nav ul li.cat5:hover > ul li a {
    background-color: rgba(43,20,117,0.9);
}

nav ul li:hover > a {
    color: #FAFAFA;
}
nav ul li:hover > ul {
    visibility: visible;
}

nav ul li ul{
    display: inline;
    visibility: hidden;
    position: absolute;
    padding:0px;
}
nav ul li ul li{
	float: none;
}
nav ul li ul li a {
    color: #FAFAFA;
}
nav ul li ul li a:hover{
	color: #333;
	background-color: #FAFAFA !important;
}

nav a:hover, 
#index .cat1 a,
#buero .cat2 a,
#leistungen .cat3 a,
#mitarbeiter .cat5 a,
#kontakt .cat6 a {
	color: #FFFFFF;
	background-color: rgba(43,20,117,0.9);
	border-top-left-radius: 3px;
	border-top-right-radius: 3px;
}