How to make fully collapsible sidebars on bootstrap?

Question

Bootstrap

I want to make two sidebars on the site, which will be open by default and disappear when the button is pressed without affecting the central content part. Such a solution is implemented on https://tjournal.ru . What layout to use in bootstrap to implement this?

Answer 1

Solution
Jobs are disabled on the toaster. Try to do and ask questions if they appear.