:root{
    --horizontal-plane-col-0:5.9rem;
    --horizontal-plane-col-1:-5.9rem;

    --cell-size:5.8rem;

    --grid-width:calc((5.8rem * 3) + (0.1rem * 2));
    --col-count:2;
    --row-count:3;
    --grid-top:2.9rem;
    --draw-south-length:4rem;

    --draw-direction-north-east-left:2.5rem;
    --draw-direction-north-west-left:5.5rem;
    --draw-direction-south-west-top:4rem;
    --draw-direction-south-west-left:5rem;
    --draw-direction-south-east-top:1.8rem;

    --draw-direction-north-east-top:-1.2rem;
    --draw-direction-north-east-left:0;
}