Need help scrolling the page

I am making a mobile version of the site in which I want to fix a menu with icons at the top and bottom, and between them to place scrolling information that is longer than the page itself.
How to do it?
For example, the page size is 380x556 and the scrolling information is 1100 pixels.
But I want to do so
so that the bottom menu and the top menu remain in the same place.
Thank you!

Your top and bottom menus need to be floating groups.

Thanks for the answer ) But the bottom menu is not fixed in the desired position and goes up along with the entire page.
How to fix it at the specified point?

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