.wrap-loading { /*화면 전체를 어둡게 합니다.*/
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2); /*not in ie */
    filter: progid:DXImageTransform.Microsoft.Gradient(startColorstr='#20000000', endColorstr='#20000000'); /* ie */
    z-index: 9998;
    pointer-events: none;
}

.wrap-loading div { /*로딩 이미지*/
    position: fixed;
    top: 50%;
    left: 50%;
    margin-left: -21px;
    margin-top: -21px;
    z-index: 9999;
}