notes/_sass/utilities/_layout.scss

// stylelint-disable primer/selector-no-utility, primer/no-override
//
// Utility classes for layout
//

// Display

.d-block {
  display: block !important;
}
.d-flex {
  display: flex !important;
}
.d-inline {
  display: inline !important;
}
.d-inline-block {
  display: inline-block !important;
}
.d-none {
  display: none !important;
}

@each $media-query in map-keys($media-queries) {
  @for $i from 1 through length($spacers) {
    @include mq($media-query) {
      $size: #{map-get($spacers, sp-#{$i - 1})};
      $scale: #{$i - 1};

      // .d-sm-block, .d-md-none, .d-lg-inline
      .d-#{$media-query}-block {
        display: block !important;
      }
      .d-#{$media-query}-flex {
        display: flex !important;
      }
      .d-#{$media-query}-inline {
        display: inline !important;
      }
      .d-#{$media-query}-inline-block {
        display: inline-block !important;
      }
      .d-#{$media-query}-none {
        display: none !important;
      }
    }
  }
}

// Vertical alignment

.v-align-baseline {
  vertical-align: baseline !important;
}
.v-align-bottom {
  vertical-align: bottom !important;
}
.v-align-middle {
  vertical-align: middle !important;
}
.v-align-text-bottom {
  vertical-align: text-bottom !important;
}
.v-align-text-top {
  vertical-align: text-top !important;
}
.v-align-top {
  vertical-align: top !important;
}