body:after {

  color: #000;
  font-family: Helvetica;
  font-size: 12px;
  padding: 5px;
  font-weight: bold;
  right: 10px;
  position: fixed;
  text-align: center;
  text-transform: uppercase;
  bottom: 10px;
  width: 200px;
  z-index: 9999;
  background: #c0c0c0;
  border: solid 1px #000;
  
  @each $name, $value in $grid-breakpoints {
      @include media-breakpoint-up($name) {
        content: '#{$name} - min-width: #{$value}';
      }
  }

}

.btn-group-xs > .btn, .btn-xs {
  padding: .25rem .4rem;
  font-size: .875rem;
  line-height: .5;
  border-radius: .2rem;
}