ul.language > li::after,
  ul li.language::after        { mask-image: url(https://ketri.gr/pub/file/4ed9f806/bfb8eba5/icon-language.svg);    }

  ul.contact > li::after,
  ul li.contact::after         { mask-image: url(https://ketri.gr/pub/file/4ed9f806/2abf93f0/icon-contact-form.svg);     }

  ul.responsive > li::after,
  ul li.responsive::after      { mask-image: url(https://ketri.gr/pub/file/4ed9f806/497d6b38/icon-layout.svg);  }