Grid System Columns
1/1
1/2
1/2
1/3
1/3
1/3
1/4
1/4
1/4
1/4
5/12
7/12
1/3
2/3
1/4
3/4
2/12
10/12
1/12
11/12
Also you can use bootstrap grid system like : span1 to span12