.spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--pico-primary);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    margin: 1rem auto 0;
}

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

.hidden {
    display: none;
}