$(function(){
    $('html').css('font-size',$(document).width() >= 750 ? '100px' : $(document).width() / 750 * 100 + 'px');
    var index = 1;
    function toRun(){
        if (index == 2) index = 0;
        $('#ky .steps3-container ul').animate({
            left:-index * $('#ky .steps3-container').width() + 'px'
        })
        index +=1;
        $("body").css("opacity",1);
    }
    setInterval(toRun,100)
})