Button group on bootstrap

Question

Bootstrap

There is a group of several buttons

<div class="btn-group">
    <button id="v1" type="button" class="btn btn-primary">один</button>
    <button id="v2" type="button" class="btn btn-primary">два</button>
    <button id="v3" type="button" class="btn btn-primary">три</button>
</div>

What does it look like and is it possible to add a click effect on a button even if the cursor is not on the button?

Answer 1

The .active class

<div class="btn-group">
    <button id="v1" type="button" class="btn btn-primary active">один</button>
    <button id="v2" type="button" class="btn btn-primary">два</button>
    <button id="v3" type="button" class="btn btn-primary">три</button>
</div>