button.register{background-color:#f8f9fa;border:1px solid #d1d5db;border-radius:4px;color:#4b5563;font-family:Arial,sans-serif;font-size:14px;font-weight:500;padding:8px 16px;cursor:pointer;transition:background-color 0.2s ease,border-color 0.2s ease}button.register:hover{background-color:#e5e7eb;border-color:#9ca3af}