backend-server-v2/assets/tailwind/input.css

@import "tailwindcss";
@custom-variant dark (&:where(.dark, .dark *));

@layer utilities {
  .flag-lang {
    width: 32px;
    height: 22px;
  }

  .flag-lang-ch {
    width: 22px;
    height: 22px;
  }
}