let scroll_animation = function(selectors, type) {
    let body = $("body");
    if (!body.hasClass("saf-scroll-animation-init")) {
        body.addClass("saf-scroll-animation-init");
        let num = 0;
        $(window).scroll(function() {
            num = 0;
        });

        function ani(a, t) {
            var top = a.offset().top;
            if (top < ($(window).height() + t - 100)) {
               
                setTimeout(function() {
                   a.addClass("saf-scroll-in");
                    a.addClass("saf-scrolled");
                }, 200 + num * 100);
                num++;
            }
        }

        function handle() {
            let t = $(window).scrollTop();
            let body_height = body.height();
            $(".saf-scroll-animation:not(.saf-scroll-in):not(.saf-no-scroll-animation)").each(function() {
                ani($(this), t);
            });
            if ($(window).height + t + 200 >= body_height) {
                $(".saf-scroll-animation:not(.saf-scroll-in):not(.saf-no-scroll-animation)").each(function() {
                    $(this).addClass("saf-scroll-in").addClass("saf-scrolled");
                });
            }
            requestAnimationFrame(handle);
        }
        requestAnimationFrame(handle);
    }
    $(selectors).addClass("saf-scroll-animation").each(function() {
        if (type) {
            $(this).addClass(type)
        }
    });
    return scroll_animation;
};



(function() {
    let body = $("body");
    if(isFrontEnv()) {
     body.addClass("cn-show");
       
    } else {
     body.addClass("cn-make");
    }
  
  })();
         
scroll_animation(".saf-fadeInUp")(".saf-fadeInDown")(".saf-fadeInLeft")(".saf-fadeInRight")(".saf-bounceInLeft")(".saf-bounceInRight")(".saf-bounceInUp")(".saf-bounceInDown")(".saf-flipInX")(".saf-flipInY")(".saf-lightSpeedInRight")(".saf-lightSpeedInLeft")(".saf-backInLeft")(".saf-backInRight")(".saf-backInDown")(".saf-backInUp")(".saf-rotateInDownLeft")(".saf-rotateInDownRight")(".saf-rotateInUpLeft")(".saf-rotateInUpRight")(".saf-jackInTheBox")(".saf-zoomInDown")(".saf-zoomInLeft")(".saf-zoomInRight")(".saf-zoomInUp")(".saf-circleLeft")(".saf-circleRight");