Grid
Grid Options
See how aspects of the Bootstrap grid system work across multiple devices with a handy table.
| xs <576px | sm ≥576px | md ≥768px | lg ≥992px | xl ≥1200px | xxl ≥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 | 24px (12px on each side of a column) | |||||
| Custom gutters | Yes | |||||
| Nestable | Yes | |||||
| Offsets | Yes | |||||
| Column ordering | Yes | |||||
Vertical alignment (align-items-start)
Use align-items-start class to vertically align-items at the start.
<!-- Vertical alignment (align-items-start) -->
<div class="row align-items-start">
    <div class="col-sm-4">
        ...
    </div>
    <div class="col-sm-4">
        ...
    </div>
    <div class="col-sm-4">
        ...
    </div>
</div>
                                    Vertical alignment (align-items-center)
Use align-items-center class to vertically align-items at the center.
<!-- Vertical alignment (align-items-center) -->
<div class="row align-items-center">
    <div class="col-sm-4">
        ...
    </div>
    <div class="col-sm-4">
        ...
    </div>
    <div class="col-sm-4">
        ...
    </div>
</div>
                                    Vertical alignment (align-items-end)
Use align-items-end class to vertically align-items at the end.
<!-- Vertical alignment (align-items-end) -->
<div class="row align-items-end">
    <div class="col-sm-4">
        ...
    </div>
    <div class="col-sm-4">
        ...
    </div>
    <div class="col-sm-4">
        ...
    </div>
</div>
                                    Align Self
Use the align-self-start,align-self-center, or align-self-end class respectively to vertically align items with a different position.
<!-- Align Self -->
<div class="row">
    <div class="col-sm-4 align-self-start">
        ...
    </div>
    <div class="col-sm-4 align-self-center">
        ...
    </div>
    <div class="col-sm-4 align-self-end">
        ...
    </div>
</div>
                                    Horizontal Alignment
Use the justify-content-start,justify-content-center, or justify-content-end class respectively to horizontally align items with a different position.
<!-- Horizontal Alignment --> <div class="row justify-content-start"> <div class="col-sm-4"> ... </div> </div><div class="row justify-content-center"> <div class="col-sm-4"> ... </div> </div><div class="row justify-content-end"> <div class="col-sm-4"> ... </div> </div>
 
                         
                         
                         
                                         
                                         
                                         
                                         
                                         
                                         
                                         
                                         
                                         
                                         
                                         
                                             
                                             
                                            