.preloader-cover {
    display: flex;
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 9999;
    opacity: 1;
    transition: opacity .5s ease-out;
}
.preloader-ani {
    margin: auto;
    display:flex;
    align-items:center;
    justify-content:center;
}
.out {opacity: 0;}
.none{display: none;}