.switcher,
.switcher-s {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gutter);
}

.switcher > *,
.switcher-s > * {
  flex-grow: 1;
  flex-basis: calc((50rem - 100%) * 999);
}

.switcher--s > *,
.switcher-s > * {
  flex-grow: 1;
  flex-basis: calc((25rem - 100%) * 999);
}