ul#navi a {
	display: block;
	color: #000;
	text-decoration: none;
}

ul#navi li {
	position: relative;
}

ul#navi ul {
	display: none;
	position: absolute;
	top: 36px;
	left: 0;
	opacity: 0;
}

ul#navi ul li {
	position: relative;
	width: 110px;
	border: 1px solid #aaa;
	border-top: none;
	background: #E8E8E8;
	text-align: center;
}

ul#navi ul li a {
	display: block;
	zoom: 1;
	padding: 5px;
}
ul#navi ul li a:hover {
	background: #f2f2f2;
}