.checkout-columns {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.checkout-column {
    flex: 1;
    min-width: 300px;
}
.checkout-column-customer {
    flex-basis: 40%; /* Adjust width for customer details */
}

.checkout-column-order {
    flex-basis: 40%; flex:2;
}