body {
	background-color:#666666

}

.menu,
.menu ul {
	margin:0;
	padding:0;
	list-style:none;
	vertical-align:middle;
}

.menu {
	width:165px;
	background: none;
	}

.menu li {
	margin:3px;
	padding:0;
	margin-bottom:1px;
	line-height:25px;



}

.menu a {
	height:25px;
	display:block;
	padding:2px 5px;
	margin:1px;
	font-family:Arial, Helvetica, sans-serif;
	font-size: medium;
	text-align:center;
	color:#FFFF66;
	background-color:#990000;
	text-decoration:none;
	font-weight:500;

}

.menu a:hover {
	background-image:url(images/button_hover.jpg);
	color:#FFFFFF;}
	
.menu ul li {
	padding-left:15px;
	line-height:20px;
	
}
.menu ul a {
	height:20px;
	background-image:url(images/button_sub.jpg);
	font-family:Arial, Helvetica, sans-serif;
	color:#FFFFFF;
	font-size:12px;
	font-weight:normal;
}
	
.hidden {display:none;}

.small {
	font-family: Arial, Verdana, Helvetica, sans-serif;
	font-size: 9px;
	color:#FFFF66;
}

.medium {
	font-family: Arial, Verdana, Helvetica, sans-serif;
	font-size: 12px;
	color:#FFFF66;
}

.big {
	font-family: Arial, Verdana, Helvetica, sans-serif;
	font-size: 16px;
	color:#FFFF66;
}


http://www.456bereastreet.com/archive/200705/accessible_expanding_and_collapsing_menu/