.justify-content {
  &-start { justify-content: flex-start; }
  &-end { justify-content: flex-end; }
  &-center { justify-content: center; }
  &-between { justify-content: space-between; }
  &-around { justify-content: space-around; }
  &-evenly { justify-content: space-evenly; }
}

.align-items {
  &-start { align-items: flex-start; }
  &-end { align-items: flex-end; }
  &-center { align-items: center; }
  &-baseline { align-items: baseline; }
  &-stretch { align-items: stretch; }
}

.align-content {
  &-start { align-content: flex-start; }
  &-end { align-content: flex-end; }
  &-center { align-content: center; }
  &-between { align-content: space-between; }
  &-around { align-content: space-around; }
  &-stretch { align-content: stretch; }
}