Breakpoints
2: Utilities
2.2 Basic Typography
2.3 Text Alignment & Display
2.4 Floats & Position
2.5: Colors & Background
2.6 Spacing
2.7 Sizing
2.8 Breakpoints
3: CSS Components
3.2 Buttons
3.3 Navbar
3.4 List Groups & Badges
3.5 Forms
3.6 Input Groups
3.7 Alerts & Progress
3.8 Tables & Pagination
3.9 Cards
3.10 Media Objects
3.11 Jumbotron
4: Grid & Flexbox
4.2 Grid System
4.3 Grid Alignment
4.4 Flexbox
4.5 Auto Margins & Wrap
5: JavaScript Widgets
5.2 Carousel
5.3 Collapse
5.4 Tooltips
5.5 Popovers
5.6 Modals
5.7 ScrollSpy