3 4.1.1
login form with input icon
3 3.3.0
Login / Sign up toggle form (with validation)
3 4.0.0
navbar with login form and glyphicon button
Modal
Populating modal
3 3.0.0
Modal with Checkbox
full modal
Popup Modal
Example of Bootstrap 3 Modal Events
bootstrap modal animation
Bootstrap 4 datetimepicker in the modal
Bootstrap V4 Modal zoom from center