@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from {
        top: -50px;
        opacity: 0;
    }
    to {
        top: 20px;
        opacity: 1;
    }
}