.loader {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 9998;
    background: url("/images/loader_front.gif") 50% 50% no-repeat rgb(249,249,249);
    opacity: 1;
}

.bg_loader {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background-color: rgba(0, 0, 0, 0.5);
    /* background: rgba(0, 0, 0, 0.5); */
    color: rgba(0, 0, 0, 0.5);
    /* opacity:1; */
}