#menu_nav, #menu_nav ul {
	padding: 0;
	margin: 0;
	list-style: none;
}

#menu_nav a, #menu_nav span {
	display: block;
}

#menu_nav li ul {
	position: relative;
	display:none;
}

#menu_nav li:hover ul, #menu_nav li.sfhover ul {
	display:block;
	background:#5555FF;
}

.sub_menu a {
	font-size:12px;
	overflow:hidden;
	font-weight:normal;
}
.sub_menu {
    padding:2px 0px;
}