.select-year{display:flex;justify-content:center;margin-top:1.5rem}.month-card{background-color:#1d4ed8;color:#fff;padding:1rem;border-radius:.5rem;text-align:center;cursor:pointer;transition:background-color .3s ease}.month-card:hover{background-color:#2563eb}.loader{border:4px solid #f3f3f3;border-top-color:#3498db;border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite;margin-top:30px;margin-bottom:40px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}