.drop{
width: 99%;
font-weight: bold;
}

.drop:after{
display: block; 
height: 0; 
clear: both; 
visibility: hidden;
}

.drop ul{
width: 100%;
margin: 0;
text-align: center;
}

.drop ul li{
display: inline;
}

.drop ul li a{
color: #ffffff;
padding: 4px 7px;
margin: 0;
text-decoration: none;
border-right: 1px solid #DADADA;
}


.dropmenudiv{
position:absolute;
top: 0;
border: 2px solid #BBB;
font:normal 12px Verdana;
line-height:18px;
z-index:100;
background-color:#FFFFFF;
text-align:left;
width: 200px;
visibility: hidden;
/*filter: progid:DXImageTransform.Microsoft.Shadow(color=#faab78,direction=145,strength=6);*/
}


.dropmenudiv a{
width: auto;
display: block;
text-indent: 0px;
border-bottom: 1px solid #BBB;
padding: 2px 0;
text-decoration:none;
font-weight: normal;
color:#1668a2;
}

* html .dropmenudiv a{ /*IE only hack*/
width: 100%;
color:#1668a2;
}

.dropmenudiv a:hover{ /*THEME CHANGE HERE*/
background-color: #d4dde1;
color:#d75700;
}


<!-- New Menu Contents -->
#menu {color:#fff; text-align:center; margin-top:0px; font-family:Arial, Helvetica, sans-serif;}
#menu li{display:block; float:left;  font-family: Arial, Tahoma; font-weight:bold; font-size:13px; color:#fff; width:140px; background:url(../images/menu_enactive.gif) no-repeat; }

#menu li a{ display:inline; float:left;  font-family: Arial, Tahoma; color:#fff; text-decoration:none; padding:8px 8px; width:140px; text-align:center; text-transform:uppercase;}


#menu li a:hover { background:url(../images/menu_over.gif) no-repeat bottom center; width:140px; color:#357cb0;}
#menu li a.active { background:url(../images/menu_active.gif) no-repeat bottom center; color:#232323;}
#menu li a.active:hover { background:url(../images/menu_active.gif) no-repeat bottom center; color:#232323;}


<!-- New Menu Contents -->