.message{height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.1)}.spinner{border:4px solid #f3f3f3;border-top:4px solid #3498db;border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:20px auto}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}