Bootstrap Grid System

Two Columns

1:1 Ratio

6 Col
6 Col

1:2 Ratio

4 Col
8 Col

1:3 Ratio

3 Col
9 Col

Three Columns

1:1:1 Ratio

4 Col
4 Col
4 Col

Uneven Ratio

7 Col
3 Col
2 Col

Automatic Sizing

Auto
Auto
Auto
Auto
Auto