(6.0.1) Hide Star Image When Sidebar Is Open

        .star-img {
            -webkit-filter: drop-shadow(1px 1px 10px #5F5F5F);
            filter: drop-shadow(1px 1px 10px #5F5F5F);
            visibility: visible; /* Set initial visibility to visible */
        }

        function toggleSidebar() {
            var sidebar = document.getElementById('mySidebar');
            var starImage = document.getElementById('starImage');
            if (sidebar.style.left === '0px') {
                sidebar.style.left = '-310px';
                document.getElementsByClassName('openbtn')[0].innerHTML = '☰';
                starImage.style.visibility = 'visible'; // Show the star image
            } else {
                sidebar.style.left = '0px';
                document.getElementsByClassName('openbtn')[0].innerHTML = '×';
                starImage.style.visibility = 'hidden'; // Hide the star image
            }
        }