ventListener("DOMContentLoaded", function () {
      const backToTopButton = document.getElementById('back-to-top-container');

      function checkButtonVisibility() {
        if (window.innerWidth > 100 && window.scrollY > 100) {
          backToTopButton.style.display = 'block';
        } else {
          backToTopButton.style.display = 'none';
        }
      }

      window.addEventListener('scroll', checkButtonVisibility);
      window.addEventListener('resize', checkButtonVisibility);

      backToTo