Keep menu on top when “fixed” in css

Question

which is positioned 113px from the top, to be on top when users are scrolling the page.

I know there is a similar question, but I am not sure where to put the js code. (

Answer 1

You don't need JS for this just use:

#idOftheDiv 
{
    position:fixed;
    top:113px;
}

in your CSS.