JS

var MenuFocusModule = {
    elementsFocusable: function () {
        var navigationElementList = document.querySelector('.navigation-list-element');
        [].slice.call(navigationElementList).forEach(function (el) {
            el.firstChild.addEventListener('onFocus', function () {
                el.parentElement.style.borderColor = '#ed1c24';
            });
        });
    }
    , init: function () {
        elementsFocusable();
    }
}