.submit-row input.panel-ajax-btn--saving,
.submit-row button.panel-ajax-btn--saving,
.tfb-apply.panel-ajax-btn--saving {
    opacity: 0.55;
    cursor: wait;
}

.submit-row input.panel-ajax-btn--saved,
.submit-row button.panel-ajax-btn--saved {
    opacity: 1;
}