.dashicons-humix-icon {
    background-image: url('https://berqwp-cdn.sfo3.cdn.digitaloceanspaces.com/cache/axlek.de/wp-content/plugins/humix/humix-block/src/assets/humix-icon.svg?bwp');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}