See how aspects of the Bootstrap grid system work across multiple devices with a handy table.
| Extra small <576px  |  Small ≥576px  |  Medium ≥768px  |  Large ≥992px  |  Extra large ≥1200px  | |
|---|---|---|---|---|---|
| Max container width | None (auto) | 540px | 720px | 960px | 1140px | 
| Class prefix | .col- | .col-sm- | .col-md- | .col-lg- | .col-xl- | 
| # of columns | 12 | ||||
| Gutter width | 30px (15px on each side of a column) | ||||
| Nestable | Yes | ||||
| Column ordering | Yes | ||||