Bootstrap grid system allows all six breakpoints, and any breakpoints you can customize.
| Extra small 576px | Small 576px | Medium 768px | Large 992px | Extra large 1200px | Extra extra large 1400px | |
|---|---|---|---|---|---|---|
| Grid behavior | Horizontal at all times | Collapsed to start, horizontal above breakpoints | ||||
| Max container width | None (auto) | 540px | 720px | 960px | 1140px | 1320px |
| Class prefix | .col- | .col-sm- | .col-md- | .col-lg- | .col-xl- | .col-xxl- |
| # of columns | 12 | |||||
| Gutter width | 1.5rem (.75rem on left and right) | |||||
| Nestable | Yes | |||||
| Offsets | Yes | |||||
| Column ordering | Yes | |||||