.loader {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(0, 0, 0, 0.2);
    border-top-color: rgba(0, 0, 0, 0.8);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 5px;
}

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