The Grid

XS

Portrait Phones
<576px

SM

Landscape Phones
≥576px to <768px

MD

Tablets
≥768px to <992px

LG

Laptops
≥992px to <1200px

XL

Desktops
≥1200px

Equal-Width Columns

.row & .col
1 of 2
2 of 2
1 of 3
2 of 3
3 of 3
1 of 4
2 of 4
3 of 4
4 of 4
1 of 12
2 of 12
3 of 12
4 of 12
5 of 12
6 of 12
7 of 12
8 of 12
9 of 12
10 of 12
11 of 12
12 of 12

Equal-Width Columns

(with divider)
.row .col & .w-100
1 of 4
2 of 4
3 of 4
4 of 4

One Wider Column

.row & .col or .col-# = .col-{1-12}
1 of 3
2 of 3 (wider)
2 of 3

No Gutters

.no-gutters
1 of 3
2 of 3 (wider)
2 of 3

Various Column Sizes

.row & .col-# = .col-{1-12}
.col-4
.col-8
.col-6
.col-6
.col-4
.col-4
.col-12
.col-12

Column Wrapping

.row & .col-# = .col-{1-12}
.col-9
.col-4
.col-6
.col-7
.col-6
.col-5

One Row

.row & .col-# = .col-{1-12}
.col-2
.col-4
.col-6
.col-2
.col-4
.col-6
.col-2
.col-4
.col-6