페이지 인식 어떻게 합니까?

default.css에서

/* 메인메뉴 */ #gnb {position:relative;margin:-1px 0 0;border-top:1px dotted #ff3397;border-bottom:1px dotted #ff3397;background:#ffffff} #gnb h2 {position:absolute;font-size:0;line-height:0;overflow:hidden} #gnb_1dul {margin:0 auto !important;padding:0;width:970px;zoom:1} #gnb_1dul:after {display:block;visibility:hidden;clear:both;content:""} .gnb_1dli {z-index:10;position:relative;float:left} .gnb_1da {display:inline-block;padding:0 40px 0 10px;height:35px;font-weight:bold;line-height:2.95em;text-decoration:none} .gnb_1da:focus, .gnb_1da:hover {text-decoration:none} .gnb_1dli_air .gnb_1da {background-color:#fff} .gnb_1dli_on .gnb_1da {background-color:#ffffff;color:#ff3397;background:url('../img/gnb_bg01.gif') bottom left no-repeat} .gnb_2dul {display:none;position:absolute;top:35px;width:125px} .gnb_2da {display:block;padding:8px 10px;text-align:left;text-decoration:none} .gnb_1dli_air .gnb_2da {background-color:#333;color:#fff} .gnb_1dli_on .gnb_2da {border-right:1px dotted #ff3397;border-bottom:1px dotted #ff3397;border-left:1px dotted #ff3397;} .gnb_2da:focus, .gnb_2da:hover {background:#eef3f5;text-decoration:none} .gnb_1dli_over .gnb_2dul {border-top:1px dotted #ff3397;display:block;left:0;background:#fff} .gnb_1dli_over2 .gnb_2dul {display:block;right:0;background:#fff}

head.php에서

어디를 수정해야 합니까?