.preloader {
        height: 100vh;
        width: 100vw;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 9910;
        -webkit-transition: all 0.3s;
        -o-transition: all 0.3s;
        transition: all 0.3s;
        -webkit-transition-timing-function: ease-in-out;
        -o-transition-timing-function: ease-in-out;
        transition-timing-function: ease-in-out;
    }

.preloader1 {
    background-color: #ffffff;
    z-index: 9909;
}

.preloader2 {
    background-color: #8a8a8a;
    z-index: 9908;
}

.preloader3 {
    background-color: #333333;
    z-index: 9907;
}

    .preloader_out_top_prepare {
        top: -100vh;
        transition: none !important;
    }

    .preloader_in_top {
        top: -100vh
    }

    .preloader_out_bottom_prepare {
        top: 100vh;
        transition: none !important;
    }

    .preloader_in_bottom {
        top: 100vh
    }

    .preloader_out_left_prepare {
        left: -100vw;
        transition: none !important;
    }

    .preloader_in_left {
        left: -100vw
    }

    .preloader_out_right_prepare {
        left: 100vw;
        transition: none !important;
    }

    .preloader_in_right {
        left: 100vw
    }