open-consul/ui-v2/app/components/consul-intention-form/fieldsets/skin.scss

.consul-intention-fieldsets {
  .value-allow > :last-child::before {
    @extend %with-arrow-right-color-icon, %as-pseudo;
  }
  .value-deny > :last-child::before {
    @extend %with-deny-color-icon, %as-pseudo;
  }
  .value- > :last-child::before {
    @extend %with-layers-mask, %as-pseudo;
  }
}