ssName = 'fumo';
                    const randomSize = 50 + Math.random() * 100;
                    const randomX = Math.random() * (window.innerWidth - randomSize);
                    const randomY = Math.random() * (window.innerHeight - randomSize);
                    fumo.style.left = Math.max(0, randomX) + 'px';
                    fumo.style.top = Math.max(0, randomY) + 'px';
                    fumo.style.width = randomSize + 'px';
                    fumo.style.height = 'auto';
                  