#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px); /* Safari */

    z-index: 9999;

    display: flex;
    align-items: center;
    justify-content: center;
}

.accordion-outline {
    outline: 1px solid #dee2e6;
}