#### Stacked to horizontal

.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-8
.col-md-4
.col-md-4
.col-md-4
.col-md-4
.col-md-6
.col-md-6

#### Mobile and desktop

xs-12 .col-md-8
xs-6 .col-md-4
xs-6 .col-md-4
xs-6 .col-md-4
xs-6 .col-md-4
.col-xs-6
.col-xs-6

#### Mobile, tablet, desktop

.col-xs-12 .col-sm-6 .col-md-8
.col-xs-6 .col-md-4
.col-xs-6 .col-sm-4
.col-xs-6 .col-sm-4
.col-xs-6 .col-sm-4

#### Column wrapping

.col-xs-9
.col-xs-4
Since 9 + 4 = 13 > 12, this 4-column-wide div gets wrapped onto a new line as one contiguous unit.
.col-xs-6
Subsequent columns continue along the new line.

#### Responsive column resets

.col-xs-6 .col-sm-3

Resize your viewport or check it out on your phone for an example.

.col-xs-6 .col-sm-3
.col-xs-6 .col-sm-3
.col-xs-6 .col-sm-3

#### Offsetting columns

.col-md-4
.col-md-4 .col-md-offset-4
.col-md-3 .col-md-offset-3
.col-md-3 .col-md-offset-3
.col-md-6 .col-md-offset-3

#### Grid options

| Extra small devices Phones (<768px) | Small devices Tablets (≥768px) | Medium devices Desktops (≥992px) | Large devices Desktops (≥1200px)
--- | --- | --- | --- | ---
Grid behavior | Horizontal at all times | Collapsed to start, horizontal above breakpoints
Container width | None (auto) | 750px | 970px | 1170px
Class prefix | `.col-xs-` | `.col-sm-` | `.col-md-` | `.col-lg-`
# of columns | 12
Column width | Auto | ~62px | ~81px | ~97px
Gutter width | 30px (15px on each side of a column)
Nestable | Yes
Offsets | Yes
Column ordering | Yes