ument.addEventListener("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', checkButt