#prev-website {
    display: none;
    background: url('/assets/v1/img/el/prev-website.png') no-repeat center center;
    background-size: cover;
    width: 100%;
    height: 100%;
    z-index: 101;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 1;
}

#prev-website.fadeOut {
    animation: fadeOut 0.8s ease-in-out;
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}