tyzberd

.embed-responsive-16by9::before {
    padding-top: 56.25%;
}

overflow: auto;
white-space: pre-wrap;

$(document).ready(function () {
    (function () {
        var requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame ||
            window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;
        window.requestAnimationFrame = requestAnimationFrame;
    })();
    var windowHeight = $(window).height();
    function animate(timelineBlock, time) {
        timelineBlock.each(function () {
            if ($(this).offset().top <= $(window).scrollTop() + windowHeight * time && $(this).hasClass("invisible")) {
                $(this).removeClass("invisible").addClass("animated slideInUp")
            }
        });
    }

    var timelineBlock = $('.js-timeline-animate'), time = 1;
    $(window).on('scroll', function () {
        requestAnimationFrame ? requestAnimationFrame(function () {
            animate(timelineBlock, time)
        }) : setTimeout(function () {
            animate(timelineBlock, time)
        }, 100)
    })
});