.spinner-container{display:flex;justify-content:center;align-items:center;height:100vh}.spinner{border:8px solid #f3f3f3;border-top-color:#3498db;border-radius:50%;width:50px;height:50px;animation:spin 1.5s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}