reset grid-auto-columns: 200px grid-auto-columns: 300px grid-auto-columns: 400px grid-auto-columns: 10% grid-auto-columns: 20% grid-auto-columns: 1fr grid-auto-columns: 1fr 2fr grid-auto-columns: min-content; grid-auto-columns: max-content; grid-auto-columns: minmax(100px, auto) grid-auto-columns: minmax(20%, 80vmax); grid-auto-columns: fit-content(400px); grid-auto-columns: 200px 250px 390px; grid-auto-columns: 0.5fr 3fr 1fr;