jQuery(function() {

    //cache a reference to the tabs
    var tabs = jQuery('.responsive-tabs__list li');

    //on click to tab, turn it on, and turn previously-on tab off
    tabs.click(function() { jQuery(this).addClass('responsive-tabs__list__item--active').siblings('.responsive-tabs__list__item--active').removeClass('responsive-tabs__list__item--active'); });

    //auto-rotate
    setInterval(function() {

            //get currently-on tab
        var onTab = tabs.filter('.responsive-tabs__list__item--active');

            //click either next tab, if exists, else first one
        var nextTab = onTab.index() < tabs.length-1 ? onTab.next() : tabs.first();

        nextTab.click();
    }, 8000);
});