.spinner {
    width: 18px;
    height: 18px;
    border: 3px solid #ddd;
    border-top: 3px solid #007bff;
    border-radius: 50%;
    display: inline-block;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}