--- layout: page title: Button group --- Group a series of buttons together on a single line with the button group. Add on optional JavaScript radio and checkbox style behavior with [our buttons plugin](../javascript/#buttons). ## Contents * Will be replaced with the ToC, excluding the "Contents" header {:toc} {% callout warning %} #### Tooltips & popovers in button groups require special setting When using tooltips or popovers on elements within a `.btn-group`, you'll have to specify the option `container: 'body'` to avoid unwanted side effects (such as the element growing wider and/or losing its rounded corners when the tooltip or popover is triggered). {% endcallout %} {% callout warning %} #### Ensure correct `role` and provide a label In order for assistive technologies – such as screen readers – to convey that a series of buttons is grouped, an appropriate `role` attribute needs to be provided. For button groups, this would be `role="group"`, while toolbars should have a `role="toolbar"`. In addition, groups and toolbars should be given an explicit label, as most assistive technologies will otherwise not announce them, despite the presence of the correct `role` attribute. In the examples provided here, we use `aria-label`, but alternatives such as `aria-labelledby` can also be used. {% endcallout %} ### Basic example Wrap a series of buttons with `.btn` in `.btn-group`. {% example html %} <div class="btn-group" role="group" aria-label="Basic example"> <button type="button" class="btn btn-secondary">Left</button> <button type="button" class="btn btn-secondary">Middle</button> <button type="button" class="btn btn-secondary">Right</button> </div> {% endexample %} ### Button toolbar Combine sets of button groups into button toolbars for more complex components. {% example html %} <div class="btn-toolbar" role="toolbar" aria-label="Toolbar with button groups"> <div class="btn-group" role="group" aria-label="First group"> <button type="button" class="btn btn-secondary">1</button> <button type="button" class="btn btn-secondary">2</button> <button type="button" class="btn btn-secondary">3</button> <button type="button" class="btn btn-secondary">4</button> </div> <div class="btn-group" role="group" aria-label="Second group"> <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" role="group" aria-label="Third group"> <button type="button" class="btn btn-secondary">8</button> </div> </div> {% endexample %} ### Sizing Instead of applying button sizing classes to every button in a group, just add `.btn-group-*` to each `.btn-group`, including each one when nesting multiple groups. <div class="bd-example"> <div class="btn-group btn-group-lg" role="group" aria-label="Large button group"> <button type="button" class="btn btn-secondary">Left</button> <button type="button" class="btn btn-secondary">Middle</button> <button type="button" class="btn btn-secondary">Right</button> </div> <br> <div class="btn-group" role="group" aria-label="Default button group"> <button type="button" class="btn btn-secondary">Left</button> <button type="button" class="btn btn-secondary">Middle</button> <button type="button" class="btn btn-secondary">Right</button> </div> <br> <div class="btn-group btn-group-sm" role="group" aria-label="Small button group"> <button type="button" class="btn btn-secondary">Left</button> <button type="button" class="btn btn-secondary">Middle</button> <button type="button" class="btn btn-secondary">Right</button> </div> <br> <div class="btn-group btn-group-xs" role="group" aria-label="Extra small button group"> <button type="button" class="btn btn-secondary">Left</button> <button type="button" class="btn btn-secondary">Middle</button> <button type="button" class="btn btn-secondary">Right</button> </div> </div> {% highlight html %} <div class="btn-group btn-group-lg" role="group" aria-label="...">...</div> <div class="btn-group" role="group" aria-label="...">...</div> <div class="btn-group btn-group-sm" role="group" aria-label="...">...</div> <div class="btn-group btn-group-xs" role="group" aria-label="...">...</div> {% endhighlight %} ### Nesting Place a `.btn-group` within another `.btn-group` when you want dropdown menus mixed with a series of buttons. {% example html %} <div class="btn-group" role="group" aria-label="Button group with nested dropdown"> <button type="button" class="btn btn-secondary">1</button> <button type="button" class="btn btn-secondary">2</button> <div class="btn-group" role="group"> <button id="btnGroupDrop1" type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false"> Dropdown </button> <ul class="dropdown-menu" role="menu" aria-labelledby="btnGroupDrop1"> <li><a href="#">Dropdown link</a></li> <li><a href="#">Dropdown link</a></li> </ul> </div> </div> {% endexample %} ### Vertical variation Make a set of buttons appear vertically stacked rather than horizontally. **Split button dropdowns are not supported here.** <div class="bd-example"> <div class="btn-group-vertical" role="group" aria-label="Vertical button group"> <button type="button" class="btn btn-secondary">Button</button> <button type="button" class="btn btn-secondary">Button</button> <div class="btn-group" role="group"> <button id="btnGroupVerticalDrop1" type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false"> Dropdown </button> <ul class="dropdown-menu" role="menu" aria-labelledby="btnGroupVerticalDrop1"> <li><a href="#">Dropdown link</a></li> <li><a href="#">Dropdown link</a></li> </ul> </div> <button type="button" class="btn btn-secondary">Button</button> <button type="button" class="btn btn-secondary">Button</button> <div class="btn-group" role="group"> <button id="btnGroupVerticalDrop2" type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false"> Dropdown </button> <ul class="dropdown-menu" role="menu" aria-labelledby="btnGroupVerticalDrop2"> <li><a href="#">Dropdown link</a></li> <li><a href="#">Dropdown link</a></li> </ul> </div> <div class="btn-group" role="group"> <button id="btnGroupVerticalDrop3" type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false"> Dropdown </button> <ul class="dropdown-menu" role="menu" aria-labelledby="btnGroupVerticalDrop3"> <li><a href="#">Dropdown link</a></li> <li><a href="#">Dropdown link</a></li> </ul> </div> <div class="btn-group" role="group"> <button id="btnGroupVerticalDrop4" type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false"> Dropdown </button> <ul class="dropdown-menu" role="menu" aria-labelledby="btnGroupVerticalDrop4"> <li><a href="#">Dropdown link</a></li> <li><a href="#">Dropdown link</a></li> </ul> </div> </div> </div> {% highlight html %} <div class="btn-group-vertical"> ... </div> {% endhighlight %}