Ptt 大爆卦 | First child before - 前往 https://blog.csdn.net/qq_40128591/article/details/107537120

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css中before和last-child一起使用或者after和first-child一起使用

嗯嗯……来正经的：loooooo……k .disc-item:first-child::before{content:""; ...

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