(function () {
  'use strict';

  const makeRetina = () => {
    const retinaImages = document.getElementsByClassName('make-retina');
    for (let i = 0; i < retinaImages.length; i++) {
      let width = retinaImages[i].naturalWidth;
      let height = retinaImages[i].naturalHeight;
      retinaImages[i].style.width = width / 2 + 'px';
      retinaImages[i].style.height = height / 2 + 'px';
    }
  };

  if (window.innerWidth >= 1024) {
    window.addEventListener('load', makeRetina);
  }
})();