.ecc-spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-left-color: transparent;
    width: 1.5em;
    height: 1.5em;
    border-radius: 50%;
    display: none;
}
.ecc-spinner.is-active {
    animation: spin 1s linear infinite;
    display: inline-block;
}

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