.col-1.col-1.col-1.col-1.col-1.col-1.col-1.col-1.col-1.col-1.col-1.col-1.col-2.col-2.col-2.col-2.col-2.col-2.col-3.col-3.col-3.col-3.col-4.col-4.col-4.col-5.col-7.col-6.col-6.col-12| Extra small <576px | Small ≥576px | Medium ≥768px | Large ≥992px | Extra large ≥1200px | Double Extra large ≥1450px | |
|---|---|---|---|---|---|---|
| Grid behavior | Horizontal at all times | Collapsed to start, horizontal above breakpoints | ||||
| Max container width | None (auto) | 540px | 720px | 960px | 1140px | 1440px |
| Class prefix | .col- | .col-sm- | .col-md- | .col-lg- | .col-xl- | .col-xxl- |