in js/custom.js [957:982]
$(function() {
$window = $(window);
if( $(".PortfolioStickyMenu").length && $window.width() >= 754) {
var $sidebar = $(".PortfolioStickyMenu"),
offset = $sidebar.offset(),
topPadding = 90;
$window.scroll(function() {
if ($window.scrollTop() > offset.top) {
if($('.lastArticle').length && ($window.scrollTop() - offset.top + topPadding) <= $('.lastArticle').position().top + $('.lastArticle').height() + 200){
$sidebar.stop().animate({
marginTop: $window.scrollTop() - offset.top + topPadding
});
}
} else {
$sidebar.stop().animate({
marginTop: 0
});
}
});
}
});