How to quickly limit the site in width?

Question

css

The question is, on 4k monitors, the site is spreading, how can it be quickly limited in width so that it does not stretch above 1920?
For the body to prescribe the width or this will not work?

Answer 1

put maxvids 1920px on the main wrapper, and you should never prescribe this on the bodysuit.
in order to spread correctly - it is necessary to kick all the relative values ​​​​above 1920, that is, not a single value should be in px. here once pidalil proj for 4k you can see how it was implemented

Answer 2

For a general wrapper in a media query, write that it has the width you need