5 4.0.0
Bootstrap V4 Drop down smooth animation
4 3.0.0
drag & drop
drag and drop
ajax drag
4 3.3.0
Drop down Navigation
FB MESSENGER With Drag Move blue color
sanjay bootsnipp drop down
Nested tabs as drop down items
4 4.1.1
Pure CSS Bootstrap 4 Cascading Drop Down Menu
3 3.1.0
TEST: Expanding FAQ's using CSS for drop capitals
Drop Down Form Hide Field
3 3.3.0
Collapse extra tabs to drop down