I’ve tested my homepage with your theme (v. 1.4.1) with the W3 Validator and there was one error:
Line 393, Column 28: end tag for “ul” which is not finished
So I’ve looked into the html code and the footer.php file. There is no <li> tag in my html code. I think this error occurs because the “hide_return_top” option is set (line 72 in the footer.php). The html code just looks like this:
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