my footer is moving using slideToggle()

my footer is moving using slideToggle()

I have a list in my footer with some links, and when I click in my last list element "See more links" I replace my list to another with jQuery slideToggle().

But when I do this I see my footer bottom go a bit down and up again.

Do you know how can I fix this? I have my example here:

http://jsfiddle.net/4ma6es6h/10/

This is my jQuery:

$('.toggle').click(function () { $('#list1,#list2').slideToggle(); });; $('#change_links1').click(function(e) { e.preventDefault(); }); $('#change_links2').click(function(e) { e.preventDefault(); });