office / dropdown-menu

#navigation {
margin:0;
padding: 0;
clear:both;
width:950px;
height:51px;
background: #d6eaf8 url(images/dropdown-bg.gif) repeat-x left top;
}


ul.nav-main,
ul.nav-main li {
list-style: none;
margin: 0;
padding: 0;
}


ul.nav-main {
position: relative;
z-index: 597;
}

ul.nav-main li:hover > ul {
visibility: visible;
}


ul.nav-main li.hover,
ul.nav-main li:hover {
position: relative;
z-index: 599;
cursor: pointer;
background: url(images/dropdown-bg-hover.gif) repeat-x left top;
}



ul.nav-main li {
float:left;
display:block;
height: 51px;
color: #999;
font: 14px Arial, Helvetica, sans-serif;
background: url(images/separator.gif) no-repeat right center;
}

ul.nav-main li a {
display:block;
padding: 16px 16px 0 16px;
height: 35px;
color: #999;
font: 14px Arial, Helvetica, sans-serif;
text-decoration:none;
}

ul.nav-main li a:hover {
color:#D6D6D6;
}



ul.nav-main *.list {
padding-right: 22px;
background: url(images/navigation-arrow.gif) no-repeat right top;
}



ul.nav-sub {
visibility: hidden;
position: absolute;
padding:10px;
top: 48px;
left: 0;
z-index: 598;
background: #353535 url(images/dropdown-list-bg.gif) repeat-x left top;
border-right: 1px solid #000;
border-bottom: 1px solid #000;
border-left: 1px solid #000;
}


ul.nav-sub li {
list-style:none;
display:block;
padding: 0;
height: 27px;
float: none;
width:145px;
border-bottom: 1px solid #5a5a5a;
background: none;
}

ul.nav-sub li a {
list-style:none;
display:block;
padding: 6px 5px 6px 5px;
height: 35px;
float: none;

background: none;
font: 12px Arial, Helvetica, sans-serif;
}