.spin-overlay {
    position: absolute;
    z-index: 80;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;

    display: none;
    overflow: hidden;

    background-color: rgba(255, 255, 255, .75);
}

.spin-overlay_progress {
    display: block;
}

.spin-overlay_transparent {
    background-color: transparent;
}
