, true);
        }, 40);
      }
    }
    const disableStylesheet = (stylesheets) => {
      for (let i=0; i < stylesheets.length; i++) {
        const stylesheet = stylesheets[i];
        stylesheet.rel = 'disabled-stylesheet';
      }
    }
    const enableStylesheet = (stylesheets) => {
      for (let i=0; i < stylesheets.length; i++) {
        const stylesheet = stylesheets[i];
        if(stylesheet.rel !== 'stylesheet') { // for Chrome, which will still FOUC without this check
          stylesheet.rel