سلام دوست عزیز لطفا کد قالبتون رو بذارید

.star {

        visibility: hidden;

    }



    .fadeIn {

        -webkit-animation: animat_show 0.8s;

        animation: animat_show 0.8s;

        visibility: visible !important;

    }



    @-webkit-keyframes animat_show{

        0%{opacity:0}

        100%{opacity:1}

    }

<script src="//http://code.jquery.com/jquery-latest.min.js" type="text/javascript"></script>

<script>

    function showImages(el) {

        var windowHeight = jQuery( window ).height();

        $(el).each(function(){

            var thisPos = $(this).offset().top;



            var topOfWindow = $(window).scrollTop();

            if (topOfWindow + windowHeight - 200 > thisPos ) {

                $(this).addClass("fadeIn");

            }

        });

    }

    $(document).ready(function(){

            showImages('.star');

    });

    $(window).scroll(function() {

            showImages('.star');

    });

</script>