Button Group
Example
<div class="btn-group">
<button type="button" class="btn btn-primary">Left</button>
<button type="button" class="btn btn-primary">Middle</button>
<button type="button" class="btn btn-primary">Right</button>
</div>
Button toolbar
<div class="btn-toolbar">
<div class="btn-group mr-2">
<button type="button" class="btn btn-primary">1</button>
<button type="button" class="btn btn-primary">2</button>
<button type="button" class="btn btn-primary">3</button>
<button type="button" class="btn btn-primary">4</button>
</div>
<div class="btn-group mr-2">
<button type="button" class="btn btn-secondary">5</button>
<button type="button" class="btn btn-secondary">6</button>
<button type="button" class="btn btn-secondary">7</button>
</div>
<div class="btn-group">
<button type="button" class="btn btn-primary">8</button>
</div>
</div>
<div class="btn-toolbar mb-3">
<div class="btn-group mr-2">
<button type="button" class="btn btn-primary">1</button>
<button type="button" class="btn btn-primary">2</button>
<button type="button" class="btn btn-primary">3</button>
<button type="button" class="btn btn-primary">4</button>
</div>
<div class="input-group">
<div class="input-group-prepend">
<div class="input-group-text" id="btnGroupAddon">@</div>
</div>
<input type="text" class="form-control" placeholder="Input group example">
</div>
</div>
<div class="btn-toolbar justify-content-between">
<div class="btn-group">
<button type="button" class="btn btn-primary">1</button>
<button type="button" class="btn btn-primary">2</button>
<button type="button" class="btn btn-primary">3</button>
<button type="button" class="btn btn-primary">4</button>
</div>
<div class="input-group">
<div class="input-group-prepend">
<div class="input-group-text" id="btnGroupAddon2">@</div>
</div>
<input type="text" class="form-control" placeholder="Input group example">
</div>
</div>
Sizing
<div class="btn-group btn-group-sm">...</div>
<div class="btn-group">...</div>
<div class="btn-group btn-group-lg">...</div>
Nesting
<div class="btn-group">
<button type="button" class="btn btn-primary">1</button>
<button type="button" class="btn btn-primary">2</button>
<div class="btn-group">
<button id="btnGroupDrop1" type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown">
Dropdown
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Dropdown link</a>
<a class="dropdown-item" href="#">Dropdown link</a>
</div>
</div>
</div>
Vertical variation
Make a set of buttons appear vertically stacked rather than horizontally. Split button dropdowns are not supported here.
<div class="btn-group-vertical">
<button type="button" class="btn btn-primary">Left</button>
<button type="button" class="btn btn-primary">Middle</button>
<button type="button" class="btn btn-primary">Right</button>
</div>
<div class="btn-group-vertical">
<button type="button" class="btn btn-primary">1</button>
<button type="button" class="btn btn-primary">2</button>
<div class="btn-group">
<button id="btnGroupDrop1" type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown">
Dropdown
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Dropdown link</a>
<a class="dropdown-item" href="#">Dropdown link</a>
</div>
</div>
</div>