document.querySelector('.container').addEventListener('click', e => {
if (e.target.tagName === 'BUTTON') {
e.target.parentNode.querySelector('img').classList.toggle('active');
}
});
const buttons = document.querySelectorAll('.container button');
const onClick = e => e.target.previousElementSibling.classList.toggle('active');
buttons.forEach(n => n.addEventListener('click', onClick));
let buttons = document.querySelectorAll('.btn');
buttons.forEach((elem)=>{
elem.addEventListener('click',()=>{
elem.parentNode.querySelector('.picture').classList.toggle('active')
})
})