hide scrollbar if not scrolling

Question

I would like to hide the scrollbar if the the user is not scrolling, meaning if the user scrolls, the scrollbar should appear (only the scrollbar not the scroll track), while if the user does not scroll it should disappear. I sort of had that setup for a long time, but than I made some changes to my page and now the page always shows the scrollbar (if there is more content than one page can cover). Unfortunately I don't know what I did to make this feature go away? I played around with overflow in the css, but overflow: hidden just removes all scrolling possibilities. Here is a fiddle which shows my current setup

https://jsfiddle.net/jsmnsLm7/ (please make the window big, so that you can see all of the features of my navbar setup)

as you can see I use

overflow: hidden 

in the body and

overflow: scroll

in the main. thanks for your help carl

Answer 1

try following css:

overflow:auto;

It worked for me :)

Answer 2

This will do what you're looking for http://rocha.la/jQuery-slimScroll

Or you could just show the scrollbar when you hover over the area using CSS only; This worked for me;

<style>
#ID {
  overflow-y: hidden;
}
</style>
#ID:hover, #ID:active, #ID:focus {
  overflow-y: auto;
}
</style>

<div class="ID"></div>