.custom-loader {
    background-color: #ffffff89;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    display: none;
}
[data-kt-app-page-loading=on] .custom-loader, .page-loading .custom-loader {
    display: flex;
    justify-content: center;
    align-items: center;
}