/* Spin animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spin {
    display: inline-block;
    width: 32px;
    height: 32px;
    border: 4px solid rgba(200,0,0,0.2);
    border-top-color: #c00;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}