dropdown menu

#nav {margin-bottom: 10px;position: inherit;width: 960px;z-index: 1;}
#nav, #nav ul {line-height:30px;float: right;background-color: #DDDCDC;}
#nav a, #nav a:hover {display:block;text-decoration:none;}
#nav li {float:left;border-left:1px solid #fff;}
#nav a, #nav a:visited {color:#000;display:block;padding:0 10px;font-weight:bold;}
#nav a:hover, #nav a:active, .current_page_item {text-decoration:underline;}
#nav li ul {height:auto;left:-999em;line-height:30px;position:absolute;}
#nav li ul li{clear: both;}
#nav li li a, #nav li li a:visited {color:#000;width: 140px;border-top:1px solid #fff;}
#nav li ul ul {margin: -31px 0 0 160px;}
#nav li:hover ul, #nav li li:hover ul, #nav li li li:hover ul {left:auto;}