.tab_menu {
	overflow: hidden;
	margin: 30px 40px 0 40px;
}
.tab_menu.lv2 {
	margin: 30px 0 0 0;
	padding: 0;
}
ul.tab_menu {
	list-style-type: none;
}
.tab_menu .item {
	float: left;
    min-width: 180px;
    width: auto;
	border-bottom: 3px solid #799ca7;
	text-align: center;
	size: 16px;
	margin-left: 5px;
	color: #7699a4;
	padding: 5px;
}
.tab_menu .item:hover {
    background: #dbeaed;
}
.tab_menu .item a {
	display: block;
	text-decoration: none;
}
.tab_menu .item.selected {
	background: #9abcc5;
	color: #ffffff;
	font-weight: bolder;
}

.tab_db_style {
	margin: 30px 40px 0 -40px;
}