Your theme gives an error with W3C validator. There error was:
"Line 549: Stray end tag “div”.
> </div> </div><!-- #`
The problem seems to be caused by misplaced closing div tag. In sidebar.php there is a closing div tag at the beginning. there is similar closing div tag at the start of footer.php. After I removed the duplicate closing div tag from footer.php I was able to validate the theme using W3C validator (Ready to check - Nu Html Checker).