.spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 1em 0;
}

.lds-dual-ring {
    display: inline-block;
    width: 40px;
    height: 40px;
}
.lds-dual-ring:after {
    content: " ";
    display: block;
    width: 32px;
    height: 32px;
    margin: 4px;
    border-radius: 50%;
    border: 4px solid var(--color-primary);
    border-color: var(--color-primary) transparent var(--color-primary) transparent;
    animation: lds-dual-ring 1.2s linear infinite;
}

@keyframes lds-dual-ring {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}