.preloader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: black;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all .4s ease;
}

.fade-out-animation {
    opacity: 0;
    visibility: hidden;
}