/*Added*/
.loader-main_l {
    background: rgba(255, 255, 255, 0.7);
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: 9999;
    top: 0px;
    left: 0px;
}

.loader_l {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background: url('../img/loader.gif') 50% 50% no-repeat rgba(255, 255, 255, 0);
    opacity: 1;
    animation-delay: 0.6s;
}