ul{
padding: 0;
margin: 0 auto;
height:30px;
}

ul li{
display:inline;
float: left;
list-style-type: none;
padding: 0;
margin: 0;
height:30px;
font-size:0.9em;
font-family:Arial, Helvetica, sans-serif;
}


ul li a {
	background-color: #339933;
	color: #FFFFFF;
	line-height: 30px;
	display: block;
	padding-right: 8px;
	padding-left: 8px;
	text-decoration: none;
}

ul li a span {
		display:block;
	}


ul li a:hover{
	
	background-color:#003333;
}

ul li ul li a {
	background-color:#339933;
}

ul li ul li a:hover{
	background-color:#003333;
}

ul li ul {
	visibility:hidden;
}

ul li:hover ul {
	visibility:visible;
}