Group a series of buttons together on a single line with the button group.
<ButtonGroup aria-label="Basic example" >
    <Button variant="primary">Left</Button>
    <Button variant="primary">Middle</Button>
    <Button variant="primary">Right</Button>
</ButtonGroup>These classes can also be added to groups of links with href, as an alternative to the navigation components.
<ButtonGroup aria-label="Basic example" >
    <Button variant="primary" href="#" active >Active Link</Button>
    <Button variant="primary" href="#">Link</Button>
    <Button variant="primary" href="#">Link</Button>
</ButtonGroup><ButtonGroup aria-label="Basic mixed styles example" >
    <Button variant="danger"  >Left</Button>
    <Button variant="warning" >Middle</Button>
    <Button variant="success" >Right</Button>
</ButtonGroup><ButtonGroup aria-label="Basic mixed styles example" >
    <Button variant="outline-primary"  >Left</Button>
    <Button variant="outline-primary" >Middle</Button>
    <Button variant="outline-primary" >Right</Button>
</ButtonGroup><ToggleButtonGroup type="checkbox" defaultValue={[1]} className="mb-2">
    <ToggleButton id="tbg-check-1" value={1} variant="outline-primary">
        Checkbox 1 
    </ToggleButton>
    <ToggleButton id="tbg-check-2" value={2} variant="outline-primary">
        Checkbox 2
    </ToggleButton>
    <ToggleButton id="tbg-check-3" value={3} variant="outline-primary">
        Checkbox 3 
    </ToggleButton>
</ToggleButtonGroup><ToggleButtonGroup type="radio" name="options" defaultValue={1}>
    <ToggleButton id="tbg-radio-1" value={1} variant="outline-primary">
        Radio 1
    </ToggleButton>
    <ToggleButton id="tbg-radio-2" value={2} variant="outline-primary">
        Radio 2
    </ToggleButton>
    <ToggleButton id="tbg-radio-3" value={3} variant="outline-primary">
        Radio 3
    </ToggleButton>
</ToggleButtonGroup><ButtonToolbar aria-label="Toolbar with button groups">
    <ButtonGroup aria-label="First group" className="me-2" >
        <Button>1</Button> <Button>2</Button> <Button>3</Button> <Button>4</Button>
    </ButtonGroup>
    <ButtonGroup aria-label="Second group" className="me-2" >
        <Button>5</Button> <Button>6</Button> <Button>7</Button>
    </ButtonGroup>
    <ButtonGroup aria-label="Third group">
        <Button>8</Button>
    </ButtonGroup>
</ButtonToolbar><ButtonGroup aria-label="Basic example"  size="lg" className="mb-2" >
    <Button variant="primary">Left</Button>
    <Button variant="primary">Middle</Button>
    <Button variant="primary">Right</Button>
</ButtonGroup>
<br/>    
<ButtonGroup aria-label="Basic example" className="mb-2" >
    <Button variant="primary">Left</Button>
    <Button variant="primary">Middle</Button>
    <Button variant="primary">Right</Button>
</ButtonGroup>
<br/>
<ButtonGroup aria-label="Basic example" size="sm">
    <Button variant="primary">Left</Button>
    <Button variant="primary">Middle</Button>
    <Button variant="primary">Right</Button>
</ButtonGroup><ButtonGroup>
    <Button>1</Button>
    <Button>2</Button>                                
    <DropdownButton as={ButtonGroup} title="Dropdown" id="bg-nested-dropdown">
        <Dropdown.Item eventKey="1">Dropdown link</Dropdown.Item>
        <Dropdown.Item eventKey="2">Dropdown link</Dropdown.Item>
    </DropdownButton>
</ButtonGroup>Make a set of buttons appear vertically stacked rather than horizontally, by adding vertical to the <ButtonGroup>. Split button dropdowns are not supported here.
<ButtonGroup vertical>
    <Button>Button</Button>
    <Button>Button</Button>
    <DropdownButton as={ButtonGroup} title="Dropdown" id="bg-vertical-dropdown-1">
        <Dropdown.Item eventKey="1">Dropdown link</Dropdown.Item>
        <Dropdown.Item eventKey="2">Dropdown link</Dropdown.Item>
    </DropdownButton>
    <Button>Button</Button>
    <Button>Button</Button>
    <DropdownButton as={ButtonGroup} title="Dropdown" id="bg-vertical-dropdown-2">
        <Dropdown.Item eventKey="1">Dropdown link</Dropdown.Item>
        <Dropdown.Item eventKey="2">Dropdown link</Dropdown.Item>
    </DropdownButton>
    <DropdownButton as={ButtonGroup} title="Dropdown" id="bg-vertical-dropdown-3">
        <Dropdown.Item eventKey="1">Dropdown link</Dropdown.Item>
        <Dropdown.Item eventKey="2">Dropdown link</Dropdown.Item>
    </DropdownButton>
</ButtonGroup>