.preloader {
    position: fixed;
    left: 0;
    width: 0;
    height: 100%;
    width: 100%;
    text-align: center;
    z-index: 9999999;
    -webkit-transition: .9s;
    transition: .9s;
}

    .preloader .loader {
        position: absolute;
        width: 100%;
        height: 80px;
        border-radius: 50%;
        display: inline-block;
        left: 0;
        right: 0;
        margin: 0 auto;
        top: 45%;
        -webkit-transform: translateY(-45%);
        transform: translateY(-45%);
        -webkit-transition: 0.5s;
        transition: 0.5s;
    }

    .preloader::before, .preloader::after {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        height: 100%;
        width: 60%;
        z-index: -1;
        background: rgba(5, 4, 75, 0.85);
        -webkit-transition: .9s;
        transition: .9s;
    }

    .preloader::after {
        left: auto;
        right: 0;
    }

    .preloader.preloader-deactivate {
        visibility: hidden;
    }

        .preloader.preloader-deactivate::after, .preloader.preloader-deactivate::before {
            width: 0;
        }

        .preloader.preloader-deactivate .loader {
            opacity: 0;
            visibility: hidden;
        }