Are you probably looking for a way to always have a scrollbar present, also if the page is short enough to not have one?
Then, yes there is a way. You might wanna do:
html {
overflow-y: scroll;
}
I understand why one would do so.
It prevents jumps when navigating between pages, which have enough content to show a scrollbar and pages which do not.
solved Plain simple scrollbar in CSS for a webpage