<div class="container">

	<!-- 按钮的背景色 -->

	<div class="row">

		<button class="btn btn-default">确定</button>

		<button class="btn btn-primary">确定</button>

		<button class="btn btn-success">确定</button>

		<button class="btn btn-info">确定</button>

		<button class="btn btn-warning">确定</button>

		<button class="btn btn-danger">确定</button>

		<button class="btn btn-link">确定</button>

	</div>

	<!-- btn-block 让按钮的宽度变为100%,成为块级元素-->

	<div class="row" style="margin-top: 20px">

		<button class="btn btn-primary btn-block">确定</button>

	</div>

	<!-- 激活状态-->

	<div class="row" style="margin-top: 20px">

		<button class="btn btn-primary active">确定</button>

		<a href="#" class="btn btn-warning active">确定</a>

	</div>

	<!-- 禁用-->

	<div class="row" style="margin-top: 20px">

		<button class="btn btn-primary active" disabled>确定</button>

		<button class="btn btn-info active disabled">确定</button>

		<a href="#" class="btn btn-warning">确定</a>

	</div>

</div>