.grid {
    /* We want the grid to be 95% of the viewport width (dvw = dinamic viewport width, this accounts elements like the scroll bar, vw does not, and can make a really disgracious horizontal scroll bar) */
    width: 95dvw;
    margin-left: 2.5dvw;
}

.grid-line {
    display: flex;
    /* If, for some reason, the cells are larger than this, we really don't want them to go to a next line, we prefer having them overflow */
    flex-wrap: nowrap;
    width: 100%;
}

.cell {
    aspect-ratio: 1/1;
    width: calc(100% / 9);
    font-size: 50px;
    text-align: center;
}

@media screen and (min-width: 1000px) {
    .grid {
        width: 50dvw;
    }
}