.body{margin-left:auto;margin-right:auto;width:800px;}.menu{margin:0 0 20px;padding:0;font-family:NanumGothic,나눔고딕,Malgun Gothic,맑은 고딕,Gulim,굴림,sans-serif;font-size:13px;}.menu li{display:inline;}.notices{width:350px;margin:20px auto;line-height:1.5;text-align:left;}.notices li{margin:6px 0 6px 20px;}.ad1{position:absolute;left:50%;top:156px;margin:0 0 0 230px;border:1px solid #999;}.ad1 img{display:block;border:0;}.ad2{position:absolute;right:50%;top:132px;margin:0 230px 0 0;border:1px solid #999;}.ad2 img{display:block;border:0;}