Update Bootstrap to version 5 or switch to a different CSS framework

[nick1n]

And in the process completely customize it to remove unneed css styles from: http://getbootstrap.com/customize

Common CSS: Typography Code Grid system Tables Forms Buttons

Components: Button groups Input groups Navs Navbar - maybe Pagination - maybe Jumbotron Alerts Progress bars Panels Close icon

JavaScript components: Tooltips

Utilities: Basic utilities Responsive utilities Component animations (for JS)

jQuery Plugins: Linked to components: Alert dismissal Advanced buttons Tooltips Togglable tabs

Magic: Collapse Transitions (required for any kind of animation)