@charset "utf-8";
.menu {
	height: 48px;
	display: block;
	padding: 0px;
	margin: 0 auto;
}

.menu ul {
	list-style: none;
	padding: 0;
	margin: 0;
}

.menu ul li {
	float: left;
	overflow: hidden;
	position: relative;
	line-height: 48px;
	text-align: center;
}

.menu ul li a {
	position: relative;
	display: block;
	color: #fff;
	width: 120px;
	height: 48px;
	font-size: 14px;
	text-decoration: none;
	cursor: pointer;
	line-height: 48px;
}

.menu ul li a span {
	position: absolute;
	left: 0;
	width: 120px;
}

.menu ul li a span.out {
	top: 0px;
}

.menu ul li a span.over,
.menu ul li a span.bg {
	top: -48px;
}

.menu ul li a span.over {
	color: #FFF;
	height: 48px;
	width: 120px;
}