Can you list the differences between Bootstrap 3 and Bootstrap 4?

Answer»

S.no	Bootstrap 3	Bootstrap 4
1.	It has 4 grid system	It has 5 grid system
2.	The offset class of Bootstrap 3 is (col-md-offset-4).	The offset class of Bootstrap 4 is (offset-md-4).
3.	In Bootstrap 3, this (.img-RESPONSIVE) class is USED for responsive image.	In Bootstrap 4, this (.img-fluid) class is used for responsive image.
4.	In Bootstrap 3 (.INPUT-lg) and (.input-sm) is used to increase or decrease the input size.	In Bootstrap 4 (.form-control-lg) and (.form-control-sm) is used to increase or decrease the input size.

Discussion