YH_Web_UI/WebUI/CallCenterWe.../onlineService/css/onlineServic...

.tab-menu ul {
	width: 600px;
	list-style: none;
}

.tab-menu li {
	display: block;
	width: 80px;
	float: left;
	border: 1px solid #e7e5e8;
	margin-right: 10px;
	text-align: center;
	line-height: 20px;
    margin-bottom: 10px;
    cursor: pointer;
}

.tab-box .tb {
	display: none;
}

/* 让第一个框显示出来 */
.tab-box .tb:nth-of-type(1) {
	display: block;
}

.change {
	background: #249fea;
	color: #fff;
}