按钮
可作为按钮的元素
<a class="btn btn-default" href="#" role="button">链接</a>
<button class="btn btn-default" type="submit">提交</button>
<input class="btn btn-default" type="button" value="输入">
<input class="btn btn-default" type="submit" value="提交">
设置按钮样式
<button type="button" class="btn btn-default">默认</button>
<button type="button" class="btn btn-primary">深蓝色</button>
<button type="button" class="btn btn-success">绿色</button>
<button type="button" class="btn btn-info">天蓝色</button>
<button type="button" class="btn btn-warning">黄色</button>
<button type="button" class="btn btn-danger">红色</button>
<button type="button" class="btn btn-link">透明</button>
设置按钮尺寸
<p>
<button type="button" class="btn btn-primary btn-lg">大按钮</button>
</p>
<p>
<button type="button" class="btn btn-primary">默认尺寸</button>
</p>
<p>
<button type="button" class="btn btn-primary btn-sm">小按钮</button>
</p>
<p>
<button type="button" class="btn btn-primary btn-xs">超小尺寸</button>
</p>
内联元素转换为块级元素
<button type="button" class="btn btn-info">内联元素</button>
<br>
<br>
<button type="button" class="btn btn-block btn-info">块级元素</button>
激活状态
<a class="btn btn-default active" href="#" role="button">链接</a>
<button class="btn btn-default active" type="submit">提交</button>
<input class="btn btn-default active" type="button" value="输入">
<input class="btn btn-default active" type="submit" value="提交">
禁用状态
<a class="btn btn-default disabled" href="#" role="button">链接</a>
<button class="btn btn-default disabled" type="submit">提交</button>
<input class="btn btn-default disabled" type="button" value="输入">
<input class="btn btn-default disabled" type="submit" value="提交">