#loading-animation .spinner{border:4px solid #f3f3f3;border-top:4px solid #3498db;border-radius:50%;width:20px;height:20px;animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}#document-scanner-container{display:flex;gap:50px}