.menu {
	margin: 0;
	padding: 0;
	list-style: none;
}
.menu li {
	padding: 0;
	position: relative;
	text-align: left;
	margin-bottom: 13px;
}
.menu a {
	padding: 0px;
	display: block;
	width: 144px;
	text-decoration: none;
	font-weight: bold;
	background: url(../../../demo/hover_tips/images/button.gif) no-repeat center center;
	border: 1px solid #FFFFFF;
}
.menu li em {
	width: 165px;
	height: 60px;
	position: absolute;
	top: -120px;
	left: -35px;
	text-align: left;
	font-style: normal;
	z-index: 2;
	display: none;
	font-family: Arial, Verdana, Helvetica, sans-serif;
	font-size: 10px;
	line-height: 12px;
	color: #FFFFFF;
	padding-top: 10px;
	padding-right: 50px;
	padding-left: 10px;
	background-image: url(../../pic/grafik/case_refer/hover.png);
	background-repeat: no-repeat;
	letter-spacing: 0.1em;
}
a img {border:none; }