configure() {
    window.addEventListener('resize', debounce(this.resize.bind(this), 300));
    window.addEventListener('blur', () => once(window, 'focus', this.resize.bind(this)));
    window.addEventListener('click', function(event) {
        if (event.target != box && event.target.parentNode != box) {
            // YOUR CODE TO CLOSE THE MENU
            // IF YOU CLICK OUTSIDE THE MENU
            setTimeout(() => {
                once(window, 'click', () => {
                    this.container.classList.remove('opened');
                    this.more_list.classList.add('hidden');
                    toggleAria(this.more_list, 'aria-expanded');
                });
            }, 100);
            // END

        } else {
            // YOUR CODE TO OPEN/CLOSE THE MENU
            // IF YOU CLICK INSIDE THE MENU
            this.toggle();
            // END
        }
    });



    this.more_btn.addEventListener('click', () => {
        if (this.more_list.classList.contains('hidden')) {
            setTimeout(() => {
                once(window, 'click', () => {
                    this.container.classList.remove('opened');
                    this.more_list.classList.add('hidden');
                    toggleAria(this.more_list, 'aria-expanded');
                });
            }, 100);
        }

        this.container.classList.toggle('opened');
        this.more_list.classList.toggle('hidden');
        toggleAria(this.more_list, 'aria-expanded');
    });


    this.dropdown.addEventListener('click', () => {
        this.toggle();
    });

    this.resize();
}