#page-preloader {
    position: fixed !important;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: #fff !important;
    z-index: 99999 !important;
    opacity: 1;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    visibility: visible;
}

#page-preloader.hidden {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none;
}