@include media-breakpoint-only(lg) {

  .pull-right-lg{

    float: right;

  }

  .pull-left-lg{

    float: left;

  }

}

@include media-breakpoint-only(md) {

  .pull-right-md{

    float: right;

  }
  .pull-left-md{

    float: left;

  }

}

@include media-breakpoint-only(sm) {

  .pull-right-sm{

    float: right;

  }

  .pull-left-sm{

    float: left;

  }

}

@include media-breakpoint-only(xs) {

  .pull-left-xs{

    float: left;

  }

}