jQuery( document ).ready( function( $ ) {
    const wrapper = $('.pexpo-core-comment-groups-wrapper').first();
    const group = wrapper.find('.pexpo-core-comment-group').first();

    let childrenCount = group.children().length;

    if (childrenCount > 3) {
        wrapper.css('animation', 'scrolling ' + group.children().length * 5 + 's linear infinite');
    }
});