not working with heumen theme

i try to set the auto load selector but not sure i am setting the correct parameters.

I also add add_theme_support(‘auto-load-next-post’); to function.php.

here is the post link of my website
http://allaboutfpga.com/sequence-detector-using-mealy-and-moore-state-machine-vhdl-codes/

Please help to find the selector for content container, post title, post navigation and comment container.

Thanks,
Ak