Mixed sizing
Combine several columns of different sizes for automatic page layout
12
4
Auto
3
4
3
1
4
Auto
Auto
6
6
Auto
5
12
Additional sizing
Use additional classes to apply a width percentage to each column from 1 to 12
100% width of .col-6
Auto
90% width of .col-6
Auto
80% width of .col-6
Auto
70% width of .col-6
Auto