Scroll inside of a fixed sidebar

Question

I have a fixed sidebar on the left of my site with content that has too much content to display on the screen. How can I make that content scrollable while still allowing th

Answer 1

I had this same issue and fixed it using:

.WhateverYourNavIs {
      max-height: calc(100vh - 9rem);
      overflow-y: auto;
 }

This sets the max height for your nav in a way that is responsive to the height of the users browser and then gives it a scroll when it needs it.