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$(window).scroll(function() {
            $(".slideanim").each(function() {
                var pos = $(this).offset().top;

                var winTop = $(window).scrollTop();
                if (pos < winTop + 600) {
                    $(this).addClass("slide");
                }
            });
        });

/* Slide animation */
.slideanim {visibility:hidden;}
.slide {
    /* The name of the animation */
    animation-name: slide;
    -webkit-animation-name: slide;
    /* The duration of the animation */
    animation-duration: 1s;
    -webkit-animation-duration: 1s;
    /* Make the element visible */
    visibility: visible;
}

/* Go from 0% to 100% opacity (see-through) and specify the percentage from when to slide in the element along the Y-axis */
@keyframes slide {
    0% {
        opacity: 0;
        transform: translateY(70%);
    }
    100% {
        opacity: 1;
        transform: translateY(0%);
    }
}
@-webkit-keyframes slide {
    0% {
        opacity: 0;
        -webkit-transform: translateY(70%);
    }
    100% {
        opacity: 1;
        -webkit-transform: translateY(0%);
    }
}