- Fixed the sidebar scroll - with this fix, you'll be able to scroll to
the end of the left sidebar at any given screen height.
- Renamed content-navigation component and CSS class names for better
consistency.
- Changed the footer style by including it as part of the main content
area. This change is required to have the scroll fix mentioned at point
no. 1.
- Reduced the hero height by a small margin, in order to have more
sidebar scroll room on smaller devices such as 13 inch laptop and all.
- Used higher contrast color on search modal's bg and scrollbar thumb to
have better color consistency.
- Made scrollbar thumbs visible by default.
- Set sidebar scroll position to match the active doc item.
- Added custom scrollbars for code blocks.
