回答編集履歴
1
参考
answer
CHANGED
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@@ -9,4 +9,6 @@
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9
9
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**border-width: 0 10px 10px ;**
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10
10
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border-style: solid;
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11
11
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border-color: #0000ff transparent;
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12
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-
}
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12
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+
}
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13
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+
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14
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+
http://cssdeck.com/labs/collab/mmmwjfdh
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