the current version is 1.04, and normally you can download it in your account on Mojo.
jQuery('.group-itemlist-4 > div:nth-child(4n)').addClass('last'); jQuery('.group-itemlist-3 > div:nth-child(3n)').addClass('last'); jQuery('.group-itemlist-2 > div:nth-child(2n)').addClass('last');
Because the problem is that the IE (older version) don’t have the “:nth-child” css selector.
The problem with the menu we cannot see on our demo, maybe the problem exist only on your website. Can you send us the link to your website, then we can take a look at it.