text: let domResolve;
  const domReady = new Promise(resolve=>domResolve = resolve);
  window.addEventListener('DOMContentLoaded',domResolve);
  
  domReady.then(()=>{
      const articleContent = document.querySelector(".article-content");
      const fontSizeText = document.querySelector(".computedFontSize");
      let computedFontsize = window.getComputedStyle(articleContent).getPropertyValue("font-size");
      fontSizeText.textContent = computedFontsize;
      window.addEventListener("resize",()=>{
          computedFontsize = window.getComputedStyle(articleContent).getPropertyValue("font-size");
          fontSizeText.textContent = computedFontsize;
      });
  });