.card-overlay {
   position:absolute;
   width:100%;
   height:100%;
   background-color:rgba(0,0,0,0.5);
   display:flex;
   align-items:center;
   justify-content:center;
   z-index:1035; /*one level under modal*/
}

.card-overlay-spinner {
   width: 8rem;
   height: 8rem;
   border-width: 0.8rem;
   color: white;
}