将组中所有按钮使用正确的类设置为“大”尺寸。
<div class="btn-group @(12)"> <button class="btn btn-primary">Apple</button> <button class="btn btn-primary">Samsung</button> <button class="btn btn-primary">Sony</button> </div>
<div class="btn-group btn-group-lg"> <button class="btn btn-primary">Apple</button> <button class="btn btn-primary">Samsung</button> <button class="btn btn-primary">Sony</button> </div>