레프트 메뉴 왜이러는지좀 알려주세요..ㅜㅜ

.xdt_header .xdt_menu{	width:250px;	height:38px;	margin:0 auto;	position : absolute;	top : 35%;	left : 9%;}.xdt_header .xdt_menu #gnb_menu{	height:38px;	float:left;	width: 254px;}.xdt_header .xdt_menu #gnb_menu ul{	list-style:none;	margin:0;	padding:0;}.xdt_header .xdt_menu #gnb_menu .gnb_ul>li{	position:relative;	white-space:nowrap;	width: 250px;	height:40px;	padding-top:1px;}.xdt_header .xdt_menu #gnb_menu .gnb_ul>li>a{	font-size:18px;	font-weight:bold;	color:#404040;	padding:0 10px;	display:block;	height:38px;	line-height:37px;}.xdt_header .xdt_menu #gnb_menu .gnb_ul>li>a:hover,.xdt_header .xdt_menu #gnb_menu .gnb_ul>li.active>a{	color:#FFF;}.xdt_header .xdt_menu #gnb_menu .sub{	display:none;	position:absolute;	top:38px;	left:50%;	min-width:100px;	padding:10px;	z-index:10;	height:40px;}.xdt_header .xdt_menu #gnb_menu .sub>li{	height:20px;	line-height:20px;}.xdt_header .xdt_menu #gnb_menu .sub>li>a{	color:#fff;}

<div class="xdt_menu">		<div id="gnb_menu">			<ul class="gnb_ul">				<li loop="$main_menu->list=>$key1,$val1" class="active"|cond="$val1['selected']">					<a href="{$val1['href']}" target="_blank"|cond="$val1['open_window']=='Y'">{$val1['link']}</a>					<ul class="sub" cond="$val1['list']">						<li loop="$val1['list']=>$key2,$val2" class="active"|cond="$val2['selected']">							<a href="{$val2['href']}" target="_blank"|cond="$val2['open_window']=='Y'">{$val2['link']}</a>						</li>					</ul>				</li>			</ul>		</div>		</div></div>