.ankeilers {
    display: grid;
    gap: 1rem;
}

@media screen and (min-width: 720px) {
    .ankeilers {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem;
    }

        .ankeilers twk-ankeiler:nth-child(3n + 1) {
            grid-column: span 2;
        }
}

@media screen and (min-width: 1160px) {
    .ankeilers {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.5rem;
    }

        .ankeilers twk-ankeiler:nth-child(3n + 1) {
            grid-column: span 1;
        }
}