按鈕屬性 cu-btn 加圓：round 大小：sm lg 背景顏色：bg-red 鏤空：line-red 塊狀: ``` <button class="cu-btn bg-red margin-tb-sm lg">塊狀</button> ``` 按鈕加圖標: ``` <button class="cu-btn block margin-tb-sm line-orange lg"><text class="cuIcon-upload"></text>圖標</button> ```