Summary  
This chapter covers how to group buttons horizontally or vertically and implement toggle behavior among buttons using CSS class–based code to manage layout and active states.

General domain of usage  
Frontend web development

## Button Groups
Bootstrap offers `btn-group` and `btn-group-vertical` classes to group buttons together, facilitating better organization and layout control:
- `btn-group`: This class horizontally groups buttons together. It's suitable for situations where buttons are best-displayed sides by side, such as in toolbars or navigation bars;
- `btn-group-vertical`: This class vertically stacks buttons together. It's useful when buttons need to be displayed in a column layout, such as in dropdown menus or stacked navigation.

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## Button Toggle Groups
Bootstrap provides the `btn-group-toggle` class for creating button toggle groups. This feature allows us to create sets of buttons where only one button can be active at a time, similar to radio buttons in a radio group.

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Advanced Button Features

Button Groups

Button Toggle Groups