everylayout/switcher.css

/*==============*/
/* The Switcher */
/*==============*/

.switcher > * {
  --space: var(--s1);
  display: flex;
  flex-wrap: wrap;
  margin: calc((var(--space) / 2) * -1);
}

.switcher > * > * {
  flex-grow: 1;
  flex-basis: calc((var(--measure) - (100% - var(--space))) * 999);
  margin: calc(var(--space) / 2);
}

.switcher > * > :nth-last-child(n+5),
.switcher > * > :nth-last-child(n+5) ~ * {
  flex-basis: 100%
}