Grid options

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
Grid behaviorHorizontal at all timesCollapsed to start, horizontal above breakpoints
Max container widthNone (auto)540px720px960px1140px
Class prefix.col-.col-sm-.col-md-.col-lg-.col-xl-
# of columns12
Gutter width20px (10px on each side of a column)
NestableYes
OffsetsYes
Column orderingYes