.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-15 {

  margin-bottom: 15px;

}

.mt-20{
  margin-top: 20px;
}

.mt-10{
  margin-top: 10px;
}

.mb-30 {
  margin-bottom: 30px;
}

.pt-30{
  padding-top:30px;
}

.pl-30 {
  padding-left: 30px;
}

.mxw-900 {
  max-width: 900px;
}

@include media-breakpoint-only(lg) {

  .mb-lg-30 {
    margin-bottom: 30px;
  }

  .mb-lg-0 {
    margin-bottom: 0;
  }

  .mt-lg-0 {
    margin-top: 0;
  }

  .pl-lg-30 {
    padding-left: 30px;
  }

  .mxw-lg-900 {
    max-width: 900px;
  }

}

@include media-breakpoint-only(md) {

  .mb-md-30 {
    margin-bottom: 30px;
  }

  .mb-md-0 {
    margin-bottom: 0;
  }

  .mt-md-0 {
    margin-top: 0;
  }

  .pl-md-30 {
    padding-left: 30px;
  }

  .mxw-md-900 {
    max-width: 900px;
  }

}

@include media-breakpoint-only(sm) {

  .mb-sm-30 {
    margin-bottom: 30px;
  }

  .mb-sm-0 {
    margin-bottom: 0;
  }

  .mt-sm-0 {
    margin-top: 0;
  }

  .pl-sm-30 {
    padding-left: 30px;
  }

  .mxw-sm-900 {
    max-width: 900px;
  }

}

@include media-breakpoint-only(xs) {

  .mb-xs-30 {
    margin-bottom: 30px;
  }

  .mb-xs-0 {
    margin-bottom: 0;
  }

  .mt-xs-0 {
    margin-top: 0;
  }

  .pl-xs-30 {
    padding-left: 30px;
  }

  .mxw-xs-900 {
    max-width: 900px;
  }

}