div.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);

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

    z-index: 99999999;
}

div.loading-overlay-message {
    position: relative;
    padding-top: 52px;

    color: #fff;
    font-size: 16px;
    font-weight: 500;
    text-align: center;

    transform: none;
    width: auto;
    height: auto;

    text-shadow: 0 1px 4px rgba(0,0,0,.4);
}

div.loading-overlay-message::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;

    width: 34px;
    height: 34px;

    margin-left: -17px;

    border: 3px solid rgba(255,255,255,.35);
    border-top-color: #ffffff;
    border-radius: 50%;

    animation: loading-spin .8s linear infinite;
}

@keyframes loading-spin {
    to {
        transform: rotate(360deg);
    }
}