3 4.0.0
Backdrop to highlight dropdown menu items
3 3.3.0
BS3 - Block Button Groups with hover fade effect| Split-dropdown-Block, Button Block Group, and Dropdown-Block Group
Vertical Flip
3 3.0.3
bootstrap vertical timeline
3 4.1.1
Responsive Vertical Timeline
Carousel vertical inverted navigation
Bootstrap Tabs Examples Horizontal and Vertical (Classical, Floating, Pills)
dropdown
3 3.1.0
Dropdown on hover
dropdown search
Bootstrap 4 Dropdown search
Nav-bar Dropdown Multi-Level Open