.grid-span-2 {
  width: calc(var(--grid-column-width) * 2 + var(--grid-gutter-width));
}

.grid-span-3 {
  width: calc(var(--grid-column-width) * 3 + var(--grid-gutter-width) * 2);
}

.grid-span-1.grid-end {
  margin-inline-start: calc(
    var(--grid-column-width) * (var(--grid-column-count) - 1) +
    var(--grid-gutter-width) * (var(--grid-column-count) - 1)
  );
  margin-inline-end: 0;
}

.grid-span-2.grid-end {
  margin-inline-start: calc(
    var(--grid-column-width) * (var(--grid-column-count) - 2) +
    var(--grid-gutter-width) * (var(--grid-column-count) - 2)
  );
  margin-inline-end: 0;
}

.grid-span-3.grid-end {
  margin-inline-start: calc(
    var(--grid-column-width) * (var(--grid-column-count) - 3) +
    var(--grid-gutter-width) * (var(--grid-column-count) - 3)
  );
  margin-inline-end: 0;
}

.grid-span-1.grid-prose-end {
  margin-inline-start: calc(
    var(--grid-column-width) * (var(--grid-prose-column-count) - 1) +
    var(--grid-gutter-width) * (var(--grid-prose-column-count) - 1)
  );
  margin-inline-end: 0;
}

.grid-span-2.grid-prose-end {
  margin-inline-start: calc(
    var(--grid-column-width) * (var(--grid-prose-column-count) - 2) +
    var(--grid-gutter-width) * (var(--grid-prose-column-count) - 2)
  );
  margin-inline-end: 0;
}

.grid-span-3.grid-prose-end {
  margin-inline-start: calc(
    var(--grid-column-width) * (var(--grid-prose-column-count) - 3) +
    var(--grid-gutter-width) * (var(--grid-prose-column-count) - 3)
  );
  margin-inline-end: 0;
}