simple code

#nav, #nav ul { /* all lists */
		
	padding: 0;
	margin: 0;
	list-style: none;
	line-height: 1;
	font-family: Verdana, Arial, sans-serif;
	font-size: 9px;
}
#nav a, #nav .iemenufix  {
	display: block;
	width: 100%;
	color: black;
	text-decoration: none;
}

/*#nav li li a:hover
{
	border: 1px solid black;
	padding: 5px 5px 5px 5px;
background-color:#FFFFFF;
}
*/

#nav li { /* all list items */
	float: left;
	width: 23em; /* width needed or else Opera goes nuts */
}
#nav li li {
	/* all drop down list items */
	border: 1px solid black;
	padding: 5px 5px 5px 5px;
	background-color: #CCDDBB;
}

#nav li ul { /* second-level lists */
	position: absolute;
	background-color: Silver;
	width: 20em;
	left: -999em; /* using left instead of display to hide menus because display: none isn't read by screen readers */
}

#nav li ul ul { /* third-and-above-level lists */
	margin: -1em 0 0 15em;
}

#nav li:hover ul ul, #nav li:hover ul ul ul, #nav li.sfhover ul ul, #nav li.sfhover ul ul ul {
	left: -999em;
}

#nav li:hover ul, #nav li li:hover ul, #nav li li li:hover ul, #nav li.sfhover ul, #nav li li.sfhover ul, #nav li li li.sfhover ul { /* lists nested under hovered list items */
	left: auto;

}