//**  The general-purpose utility substitutions. **//

// clean-list is the style for lists with a slight indentation
// and no list item indicator (e.g. no bullet for a ul).
clean-list()
  -webkit-padding-start: 1em
  & li
    list-style-type none

// empty-line() is the reusable idiom for the :after selective of a
// text-align justify style. This selector is necessary to center
// the preceding row elements.
//
// Note - the line adds vertical space. Setting the font-size,
// line-height, height or negative margins has no effect. The
// styles which use the empty-line can counteract this effect by
// setting a negative bottom margin.
empty-line()
  content ''
  display inline-block
  width 100%