main.css

* { box-sizing: border-box; }
body {
    margin :0px;
}
a {
    text-decoration:none;
    color:#333;
}
.wrap_lnb{
    border-bottom: 1px solid #e9e9e9;
}
.lnb {
    margin:auto;
    width:980px;
    height:36px;
    font-family: "Nanum", sans-serif;
}
.lnb a {
    display:block;
    font-size:12px;
    letter-spacing: -0.2px;
    padding:10px 11px 9px;
}
span.ic {
    display:inline-block;
    width:7px;
    height:12px;
    background: url("./images/bul_arr_down.png") no-repeat center 1px;
    margin-left: 4px;
}
.link_app {
    text-align: center;
    float:left;
}
.lnb .link_app>a:hover, .lnb .link_app>a:focus, .lnb li>a:hover {
    color:#2ac1bc;
}
.lnb_sub{
    margin:0;    
    float:right;
}
.lnb_sub li:first-child {
    background:none;
}
.lnb_sub li:last-child {
    font-weight: bold;
}
.lnb_sub li {
    float:left;
    list-style: none;
    background: url("./images/util_bar.gif") no-repeat 0 13px;
}


.header {
    width:980px;
    height:98px;    
    margin:auto;
    overflow: hidden;
}
.header > a{
    float:left;
    margin: 16px 0 0 5px;
}
.header form {
    position: relative;
    float:left;
    margin : 30px 0 0 46px;
}
.header input {
    box-sizing: border-box;
    border : 1px solid #cfd0d2;
    width:210px;
    height:40px;
    padding:0 38px 0 15px;
    
}
.header input:hover, .header input:focus {
    border-color: #2ac1bc;
}
.header button {
    border:0;
    width:38px;
    height:38px;
    background : url("./images/ic_search.png") no-repeat center 0;
    text-indent: -3000px;
    position: absolute;
    top: 1px;
    right: 1px;
    cursor: pointer;
}
.header ul{
    margin: 0 5px 0 0;
    height:100%;
    float : right;
    list-style: none;
    overflow:hidden;
}
.header li{
    float:left;
}
.header li>a{
    display:block;
    height:48px;
    margin: 25px 0 25px 50px;

}

/* gnb 시작*/
.wrap_nav { 
    background-color: #483f35
}
.nav { 
    margin:auto;
    width:980px;
    text-align: center;
}
.gnb>li {
    box-sizing: border-box;
    margin-top : 5px;
}
.sub_list>li:hover {
    text-decoration: underline;
}
.gnb {
    padding:0;
    text-align: left;
    display: inline;
    list-style: none;
}
.gnb li {
    margin-left: 5px;
    font: bold 16px sans-serif;
    display: inline-block;
    margin-right: -4px;
    position: relative;
    padding: 15px 20px;
    background: #483f35;
    cursor: pointer;
    color: #fff;
}
.gnb li:hover {
    background: #fff;
    color: #2ac1bc;
}

.gnb ul {
    border:1px solid #555;
    border-top: none;
    margin:3px;
    padding: 0;
    position: absolute;
    top: 48px;
    left: -4px;
    width: 130px;
    display: none;
}

.sub_list li {
    display: block;
    color: #333;
    background:#fff;
    font-size:12px;
    padding:10px 15px;
}

.gnb li:hover .sub_list {
display: block;
overflow: hidden;
}
/* gnb 종료*/