who first.js

<script>
$(document).ready( function() {
    var $grid = $('.row').masonry({
          // main isotope options
          itemSelector: '.row__item',
          columnWidth: '.row__sizer',
          gutter: '.gutter-sizer',
          percentPosition: true,

         });

    $grid.imagesLoaded().progress( function() {
        $grid.masonry();
        $(document).trigger('grid:masonry');
    });
});
</script>

<script>
$(document).on('grid:masonry', function() {
    new AnimOnScroll( document.getElementById( 'row' ), 
        {
            minDuration : 0.4,
            maxDuration : 0.7,
            viewportFactor : 0.2
        });
});
</script>