#product_detail .case .pack .tab_contents table tr:first-child th:first-child {
	width: 170px;
}
#product_detail .case .pack .tab_contents table tr:first-child th,
#product_detail .case .pack .tab_contents table tr:first-child th:nth-child(2),
#product_detail .case .pack .tab_contents table tr:first-child th:nth-child(3) {
	width: 230px;
}