sidebar goes beneath content

When I use the parent estore theme the sidebar goes on the right hand side but when I switch to the child theme it goes underneath. I have tried disabling all plugins but it does not help.

This is the source code for the child:

https://placemakersinc.com/wordpress/test2.html

and this is source for the main estore theme:

https://placemakersinc.com/wordpress/test3.html

The child them is very basic with just functions.php and header and footer.

The page I need help with: [log in to see the link]