How to stretch a map?

Question

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How to stretch a map in the future?
How to stretch a map in the future? There's a fixed block, how to ignore its values? site - beleksprint.epsilon.by
I know that I'm asking for the hundredth time, but I can't figure out how to make the map stretch, and at the bottom there is a footer block, as it is now

Answer 1

#custom_html-2{
  width:100%;
}

If you really want to be 100%, then change the layout, in particular, take this block out of div.main