schlechtenburg/packages/layout/lib/style.scss

.sb-layout {
  display: flex;

  &_vertical {
    flex-direction: column;
  }

  &_horizontal {
    flex-direction: row;
  }

  &__item {
    position: relative;
  }

  > * {
    flex-basis: auto;
    flex-grow: 1;
    flex-shrink: 1;
  }
}