Changes in the layout
The menu above and the column layout will change upon the viewports width.
The menu right of the brand logo is visible when the viewport is 1024 pixels wide. Any smaller and it will retract into a burger in the top right of the navbar.
You will see two columns as long as the viewport is more than 768, meaning from 769 pixels, wide.
This page always takes up the whole screen, even on desktops. That means that there is no growing padding left and right when the screen gets very large.
Of course the content is not the main concern here. Our main concern is the so-called "application shell".