.spinner{display:none;width:20px;height:20px;border:2px
solid rgba(255, 255, 255, 0.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes
spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}.disabled{pointer-events:none;opacity:0.6}