flex.styl

@import 'nib/vendor'
@import 'nib/flex'

section
  display: flex
  flex-direction: row

  div
    flex: 1 0

section
  display: flex !important

// Obsolete property conditional rendering
flex-version = box

section
  display: flex
  flex-direction: row

  div
    flex: 1 0

section
  display: flex !important

// New property conditional rendering
flex-version = flex

section
  display: flex
  flex-direction: row

  div
    flex: 1 0

section
  display: flex !important