basscss-addons/modules/responsive-typography/lib/sm-typography.css

Optional modules to extend Basscss

@media (--breakpoint-sm) {
  .sm-left-align   { text-align: left }
  .sm-center       { text-align: center }
  .sm-right-align  { text-align: right }
  .sm-justify      { text-align: justify }
}