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我是新來的骨架，我試圖讓一個簡單的網站去，但我已經遇到了與Firefox的問題。代碼很簡單，那就是：在Firefox上添加奇怪空間的骨架列
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它顯示了罰款，除了火狐所有的瀏覽器，當我使用的列。相反，如果我使用「三分之二」作爲班級，甚至「三分之二」，它顯示出來很好。
Here is what firefox does when I use any columns at all（資料圖片）（它的廣告在頂部102px一個奇怪的空間）
If I use "two thirds" firefox shows it fine again（資料圖片）
我已經通過所有的代碼看，只是無法弄清楚到底是怎麼回事。爲什麼列不能很好地與Firefox兼容？如果有問題，我在17.0.1。
感謝您的任何幫助。