按鈕
可作爲按鈕的元素
<a class="btn btn-default" href="#" role="button">鏈接</a>
<button class="btn btn-default" type="submit">提交</button>
<input class="btn btn-default" type="button" value="輸入">
<input class="btn btn-default" type="submit" value="提交">
設置按鈕樣式
<button type="button" class="btn btn-default">默認</button>
<button type="button" class="btn btn-primary">深藍色</button>
<button type="button" class="btn btn-success">綠色</button>
<button type="button" class="btn btn-info">天藍色</button>
<button type="button" class="btn btn-warning">黃色</button>
<button type="button" class="btn btn-danger">紅色</button>
<button type="button" class="btn btn-link">透明</button>
設置按鈕尺寸
<p>
<button type="button" class="btn btn-primary btn-lg">大按鈕</button>
</p>
<p>
<button type="button" class="btn btn-primary">默認尺寸</button>
</p>
<p>
<button type="button" class="btn btn-primary btn-sm">小按鈕</button>
</p>
<p>
<button type="button" class="btn btn-primary btn-xs">超小尺寸</button>
</p>
內聯元素轉換爲塊級元素
<button type="button" class="btn btn-info">內聯元素</button>
<br>
<br>
<button type="button" class="btn btn-block btn-info">塊級元素</button>
激活狀態
<a class="btn btn-default active" href="#" role="button">鏈接</a>
<button class="btn btn-default active" type="submit">提交</button>
<input class="btn btn-default active" type="button" value="輸入">
<input class="btn btn-default active" type="submit" value="提交">
禁用狀態
<a class="btn btn-default disabled" href="#" role="button">鏈接</a>
<button class="btn btn-default disabled" type="submit">提交</button>
<input class="btn btn-default disabled" type="button" value="輸入">
<input class="btn btn-default disabled" type="submit" value="提交">