body.preloader-main {
    overflow: hidden;
}

.preloader-wrapper {
    height: 100%;
    width: 100%;
    background: #FFF;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999999;
}

.preloader-wrapper .preloader {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    width: 120px;
}