document.addEventListener('DOMContentLoaded', function () {
	var divs = document.getElementsByClassName('listContainer');

	for (var i = 0; i < divs.length; i++) {
		divs[i].addEventListener('mouseover', function () {
			var children = this.firstElementChild.children;

			for (var i = 0; i < children.length; i++) {
				children[i].style.color = 'green';
			}

			this.firstElementChild.firstElementChild.style.color = 'red';
			this.firstElementChild.lastElementChild.style.color = 'blue';

			this.classList.add('hovered');
		});
	}
});