How to force the browser not to crop the block background when resizing?

Question

css

Good day! Please help tell the browser not to cut the background depending on the size of the window. That is, there is a site
pravo period w3strict period ru
it has a footer that seems to work normally, but as soon as the screen size is reduced, we immediately get such joy prntscr.com/9a6d75 and I could not find how to deal with it. Tried overflow - didn't help

Answer 1

body {
   min-width: 1200px;
}

Based on your layout.