.spinner-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:9999}.spinner{width:40px;height:40px;border-radius:50%;background-color:#333;opacity:.6;animation:bounce 2s ease-in-out infinite}@keyframes bounce{0%,to{transform:scale(0)}50%{transform:scale(1)}}