#processing-message{background-color:#e9ecef;border-left:5px solid #007bff;color:#333;font-weight:700;margin-top:15px;padding:10px}.spinner{animation:spin 1s linear infinite;border:3px solid #f3f3f3;border-radius:50%;border-top-color:#3498db;display:inline-block;height:20px;margin-left:10px;vertical-align:middle;width:20px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}