cument.body;
            for (let i = 0; i < 50; i++) {
                const star = document.createElement('div');
                star.className = 'star';
                star.style.left = Math.random() * 100 + 'vw';
                star.style.top = Math.random() * 100 + 'vh';
                star.style.setProperty('--duration', (Math.random() * 3 + 1) + 's');
                star.style.setProperty('--opacity', Math.random() * 0.5 + 0.3);
                container.appendChild(star);
            }
        