添加一个 Bootstrap 类以按以下顺序设置按钮的大小:大、中、小和特小。
<button class="btn btn-primary @(6)">Button</button>
<button class="btn btn-primary @(6)">Button</button>
<button class="btn btn-primary @(6)">Button</button>
<button class="btn btn-primary @(6)">Button</button>
<button class="btn btn-primary btn-lg">Button</button>
<button class="btn btn-primary btn-md">Button</button>
<button class="btn btn-primary btn-sm">Button</button>
<button class="btn btn-primary btn-xs">Button</button>