document.addEventListener('DOMContentLoaded', () => {
    const imgMicros = document.querySelectorAll('.img-cov');

    imgMicros.forEach((element, index) => {
        if (index % 2 === 0) {
            element.style.float = 'left';
            element.style.margin = '25px 25px 25px 0';
        } else {
            element.style.float = 'right';
            element.style.margin = '25px 0 25px 25px';
        }
    });
    
	const menuList = document.querySelectorAll('.menu li');
	
	if (menuList) {
	    menuList.forEach(item => {
    		item.setAttribute('data-content', item.textContent);
    	});
	}

	const header = document.querySelector('header');
	const burger = document.querySelector('.burger');

	if (burger) {
	    burger.addEventListener('click', () => {
    		header.classList.toggle('active');
    	});
	}
});