@include breakpoint($mobile-breakpoint) {

}

@include breakpoint($tablet-breakpoint) {
  
}

@include breakpoint($desktop-breakpoint) {
  .page-header {
    p {
      @include span(7.2 of 12);
      @include prefix(2.4 of 12);
      @include suffix(2.4 of 12);
    }
  }
}