.preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    z-index: 99999999;
}

.preloader img {
    border: none;
    outline: none;
    box-shadow: none;
    max-width: 100%;
}