tweb-i2p/src/scss/mixins/_premium.scss

/*
 * https://github.com/morethanwords/tweb
 * Copyright (C) 2019-2021 Eduard Kuzmenko
 * https://github.com/morethanwords/tweb/blob/master/LICENSE
 */

@mixin premium($yes: true) {
  @if $yes {
    body.is-premium & {
      @content;
    }
  } @else {
    body:not(.is-premium) & {
      @content;
    }
  }
}