<button type="button" class="btn btn-primary">Button</button>
<button type="button" class="btn btn-info">Button</button>
<button type="button" class="btn btn-success">Button</button>
<button type="button" class="btn btn-warning">Button</button>
<button type="button" class="btn btn-danger">Button</button>
<button type="button" class="btn btn-link">Button</button>
<button type="button" class="btn btn-green">Green</button>
<button type="button" class="btn btn-bronze">Bronze</button>
<button type="button" class="btn btn-red">Red</button>
<button type="button" class="btn btn-violet">Violet</button>
<button type="button" class="btn btn-blue">Blue</button>
<button type="button" class="btn btn-aqua">Aqua</button>