Native Bootstrap 12-column grid

4 columns

3 columns

2 columns

2 columns

1 column

Let’s do some nesting

3-column grid

1 column

2 columns

8-column grid

3 columns

5 columns

5 column grid

2 columns

2 columns

1 column

Or we can combine columns from different grids

1/3

1/4

1/5

1/6

1/20