nav {
    width: 960px;
}
nav ul {
    padding: 0px;
    margin: 0px;

    /*
    box-shadow: 2px 2px 2px #dfdfdf;
    -moz-box-shadow: 2px 2px 2px #dfdfdf;
    -webkit-box-shadow: 2px 2px 2px #dfdfdf;
    */
}

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

nav ul li{
    background-color: #FAFAFA; /* Hintergrund Hauptleiste ohne Hover */
    background-image:url(farbverlauf1.gif);
    z-index: 10;
}
nav ul li {
    list-style: none;
    float:left;
    border-right: 1px solid #dfdfdf;
}
nav ul li a {
    text-decoration: none;
    display: block;
    text-align: center;
    /* width: 219px; Für 4 Menüpunkte */
    width: 171px;
    color: #FFFFFF;
    padding: 11px 10px 11px 10px;

    transition: background 0.3s ease-out; /* explorer 10 */
    -webkit-transition: background 0.3s ease-out; /* chrome & safari */
    -moz-transition: background 0.3 ease-out; /* firefox */
    -o-transition: background 0.3 ease-out; /* opera */
}

nav ul li.cat1:hover a, nav ul li.cat1:hover > ul li a  {
    text-decoration: none;
    background-color: #555555;
    color: #FFFFFF;
}
nav ul li.cat2:hover a, nav ul li.cat2:hover > ul li a  {
	text-decoration: none;
    background-color: #555555;
    color: #FFFFFF;
}
nav ul li.cat3:hover a, nav ul li.cat3:hover > ul li a {
    text-decoration: none;
    background-color: #555555;
    color: #FFFFFF;
}
nav ul li.cat4:hover a, nav ul li.cat4:hover > ul li a {
    text-decoration: none;
	background-color: #555555;
    color: #FFFFFF;
}
nav ul li.cat5:hover a, nav ul li.cat5:hover > ul li a {
    text-decoration: none;
    background-color: #555555;
    color: #FFFFFF;
}

nav ul li:hover > a {
    text-decoration: none;
    color: #FFFFFF;
    background-image:url(farbverlauf2.jpg);
    z-index: 10;
}
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;
	z-index: 10;
}
nav ul li ul li a {
	text-decoration: none;
	text-align: left;
    color: #FFFFFF;
}
nav ul li ul li a:hover{
	color: #FFFFFF; /* Farbe der Unterpunke bei Hover */
	background-color: #888888 !important;
}